CHEMISTRY SYMBOLS

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SymbolDescriptionSubjectLevelFrequencyAliasesLaTeXUnicodeRelatedExampleCommon fields
H is the chemical symbol for Hydrogen, atomic number 1.Element SymbolsBasicCommonHydrogen (1) 氢（1）HU+0048—H — 原子序数 1Chemistry, materials, pharmaceuticals, education
He is the chemical symbol for Helium, atomic number 2.Element SymbolsBasicCommonHelium (2) 氦（2）HeU+0048 + U+0065—He — 原子序数 2Chemistry, materials, pharmaceuticals, education
Li is the chemical symbol for Lithium, atomic number 3.Element SymbolsBasicCommonLithium (3) 锂（3）LiU+004C + U+0069—Li — 原子序数 3Chemistry, materials, pharmaceuticals, education
Be is the chemical symbol for Beryllium, atomic number 4.Element SymbolsBasicCommonBeryllium (4) 铍（4）BeU+0042 + U+0065—Be — 原子序数 4Chemistry, materials, pharmaceuticals, education
B is the chemical symbol for Boron, atomic number 5.Element SymbolsBasicCommonBoron (5) 硼（5）BU+0042—B — 原子序数 5Chemistry, materials, pharmaceuticals, education
C is the chemical symbol for Carbon, atomic number 6.Element SymbolsBasicCommonCarbon (6) 碳（6）CU+0043—C — 原子序数 6Chemistry, materials, pharmaceuticals, education
N is the chemical symbol for Nitrogen, atomic number 7.Element SymbolsBasicCommonNitrogen (7) 氮（7）NU+004E—N — 原子序数 7Chemistry, materials, pharmaceuticals, education
O is the chemical symbol for Oxygen, atomic number 8.Element SymbolsBasicCommonOxygen (8) 氧（8）OU+004F—O — 原子序数 8Chemistry, materials, pharmaceuticals, education
F is the chemical symbol for Fluorine, atomic number 9.Element SymbolsBasicCommonFluorine (9) 氟（9）FU+0046—F — 原子序数 9Chemistry, materials, pharmaceuticals, education
Ne is the chemical symbol for Neon, atomic number 10.Element SymbolsBasicCommonNeon (10) 氖（10）NeU+004E + U+0065—Ne — 原子序数 10Chemistry, materials, pharmaceuticals, education
Na is the chemical symbol for Sodium, atomic number 11.Element SymbolsBasicCommonSodium (11) 钠（11）NaU+004E + U+0061—Na — 原子序数 11Chemistry, materials, pharmaceuticals, education
Mg is the chemical symbol for Magnesium, atomic number 12.Element SymbolsBasicCommonMagnesium (12) 镁（12）MgU+004D + U+0067—Mg — 原子序数 12Chemistry, materials, pharmaceuticals, education
Al is the chemical symbol for Aluminium, atomic number 13.Element SymbolsBasicCommonAluminium (13) 铝（13）AlU+0041 + U+006C—Al — 原子序数 13Chemistry, materials, pharmaceuticals, education
Si is the chemical symbol for Silicon, atomic number 14.Element SymbolsBasicCommonSilicon (14) 硅（14）SiU+0053 + U+0069—Si — 原子序数 14Chemistry, materials, pharmaceuticals, education
P is the chemical symbol for Phosphorus, atomic number 15.Element SymbolsBasicCommonPhosphorus (15) 磷（15）PU+0050—P — 原子序数 15Chemistry, materials, pharmaceuticals, education
S is the chemical symbol for Sulfur, atomic number 16.Element SymbolsBasicCommonSulfur (16) 硫（16）SU+0053—S — 原子序数 16Chemistry, materials, pharmaceuticals, education
Cl is the chemical symbol for Chlorine, atomic number 17.Element SymbolsBasicCommonChlorine (17) 氯（17）ClU+0043 + U+006C—Cl — 原子序数 17Chemistry, materials, pharmaceuticals, education
Ar is the chemical symbol for Argon, atomic number 18.Element SymbolsBasicCommonArgon (18) 氩（18）ArU+0041 + U+0072—Ar — 原子序数 18Chemistry, materials, pharmaceuticals, education
K is the chemical symbol for Potassium, atomic number 19.Element SymbolsBasicCommonPotassium (19) 钾（19）KU+004B—K — 原子序数 19Chemistry, materials, pharmaceuticals, education
Ca is the chemical symbol for Calcium, atomic number 20.Element SymbolsBasicCommonCalcium (20) 钙（20）CaU+0043 + U+0061—Ca — 原子序数 20Chemistry, materials, pharmaceuticals, education
Sc is the chemical symbol for Scandium, atomic number 21.Element SymbolsIntermediateCommonScandium (21) 钪（21）ScU+0053 + U+0063—Sc — 原子序数 21Chemistry, materials, pharmaceuticals, education
Ti is the chemical symbol for Titanium, atomic number 22.Element SymbolsIntermediateCommonTitanium (22) 钛（22）TiU+0054 + U+0069—Ti — 原子序数 22Chemistry, materials, pharmaceuticals, education
V is the chemical symbol for Vanadium, atomic number 23.Element SymbolsIntermediateCommonVanadium (23) 钒（23）VU+0056—V — 原子序数 23Chemistry, materials, pharmaceuticals, education
Cr is the chemical symbol for Chromium, atomic number 24.Element SymbolsIntermediateCommonChromium (24) 铬（24）CrU+0043 + U+0072—Cr — 原子序数 24Chemistry, materials, pharmaceuticals, education
Mn is the chemical symbol for Manganese, atomic number 25.Element SymbolsIntermediateCommonManganese (25) 锰（25）MnU+004D + U+006E—Mn — 原子序数 25Chemistry, materials, pharmaceuticals, education
Fe is the chemical symbol for Iron, atomic number 26.Element SymbolsIntermediateCommonIron (26) 铁（26）FeU+0046 + U+0065—Fe — 原子序数 26Chemistry, materials, pharmaceuticals, education
Co is the chemical symbol for Cobalt, atomic number 27.Element SymbolsIntermediateCommonCobalt (27) 钴（27）CoU+0043 + U+006F—Co — 原子序数 27Chemistry, materials, pharmaceuticals, education
Ni is the chemical symbol for Nickel, atomic number 28.Element SymbolsIntermediateCommonNickel (28) 镍（28）NiU+004E + U+0069—Ni — 原子序数 28Chemistry, materials, pharmaceuticals, education
Cu is the chemical symbol for Copper, atomic number 29.Element SymbolsIntermediateCommonCopper (29) 铜（29）CuU+0043 + U+0075—Cu — 原子序数 29Chemistry, materials, pharmaceuticals, education
Zn is the chemical symbol for Zinc, atomic number 30.Element SymbolsIntermediateCommonZinc (30) 锌（30）ZnU+005A + U+006E—Zn — 原子序数 30Chemistry, materials, pharmaceuticals, education
Ga is the chemical symbol for Gallium, atomic number 31.Element SymbolsIntermediateCommonGallium (31) 镓（31）GaU+0047 + U+0061—Ga — 原子序数 31Chemistry, materials, pharmaceuticals, education
Ge is the chemical symbol for Germanium, atomic number 32.Element SymbolsIntermediateCommonGermanium (32) 锗（32）GeU+0047 + U+0065—Ge — 原子序数 32Chemistry, materials, pharmaceuticals, education
As is the chemical symbol for Arsenic, atomic number 33.Element SymbolsIntermediateCommonArsenic (33) 砷（33）AsU+0041 + U+0073—As — 原子序数 33Chemistry, materials, pharmaceuticals, education
Se is the chemical symbol for Selenium, atomic number 34.Element SymbolsIntermediateCommonSelenium (34) 硒（34）SeU+0053 + U+0065—Se — 原子序数 34Chemistry, materials, pharmaceuticals, education
Br is the chemical symbol for Bromine, atomic number 35.Element SymbolsIntermediateCommonBromine (35) 溴（35）BrU+0042 + U+0072—Br — 原子序数 35Chemistry, materials, pharmaceuticals, education
Kr is the chemical symbol for Krypton, atomic number 36.Element SymbolsIntermediateCommonKrypton (36) 氪（36）KrU+004B + U+0072—Kr — 原子序数 36Chemistry, materials, pharmaceuticals, education
Rb is the chemical symbol for Rubidium, atomic number 37.Element SymbolsIntermediateSpecializedRubidium (37) 铷（37）RbU+0052 + U+0062—Rb — 原子序数 37Chemistry, materials, pharmaceuticals, education
Sr is the chemical symbol for Strontium, atomic number 38.Element SymbolsIntermediateSpecializedStrontium (38) 锶（38）SrU+0053 + U+0072—Sr — 原子序数 38Chemistry, materials, pharmaceuticals, education
Y is the chemical symbol for Yttrium, atomic number 39.Element SymbolsIntermediateSpecializedYttrium (39) 钇（39）YU+0059—Y — 原子序数 39Chemistry, materials, pharmaceuticals, education
Zr is the chemical symbol for Zirconium, atomic number 40.Element SymbolsIntermediateSpecializedZirconium (40) 锆（40）ZrU+005A + U+0072—Zr — 原子序数 40Chemistry, materials, pharmaceuticals, education
Nb is the chemical symbol for Niobium, atomic number 41.Element SymbolsIntermediateSpecializedNiobium (41) 铌（41）NbU+004E + U+0062—Nb — 原子序数 41Chemistry, materials, pharmaceuticals, education
Mo is the chemical symbol for Molybdenum, atomic number 42.Element SymbolsIntermediateSpecializedMolybdenum (42) 钼（42）MoU+004D + U+006F—Mo — 原子序数 42Chemistry, materials, pharmaceuticals, education
Tc is the chemical symbol for Technetium, atomic number 43.Element SymbolsIntermediateSpecializedTechnetium (43) 锝（43）TcU+0054 + U+0063—Tc — 原子序数 43Chemistry, materials, pharmaceuticals, education
Ru is the chemical symbol for Ruthenium, atomic number 44.Element SymbolsIntermediateSpecializedRuthenium (44) 钌（44）RuU+0052 + U+0075—Ru — 原子序数 44Chemistry, materials, pharmaceuticals, education
Rh is the chemical symbol for Rhodium, atomic number 45.Element SymbolsIntermediateSpecializedRhodium (45) 铑（45）RhU+0052 + U+0068—Rh — 原子序数 45Chemistry, materials, pharmaceuticals, education
Pd is the chemical symbol for Palladium, atomic number 46.Element SymbolsIntermediateSpecializedPalladium (46) 钯（46）PdU+0050 + U+0064—Pd — 原子序数 46Chemistry, materials, pharmaceuticals, education
Ag is the chemical symbol for Silver, atomic number 47.Element SymbolsIntermediateSpecializedSilver (47) 银（47）AgU+0041 + U+0067—Ag — 原子序数 47Chemistry, materials, pharmaceuticals, education
Cd is the chemical symbol for Cadmium, atomic number 48.Element SymbolsIntermediateSpecializedCadmium (48) 镉（48）CdU+0043 + U+0064—Cd — 原子序数 48Chemistry, materials, pharmaceuticals, education
In is the chemical symbol for Indium, atomic number 49.Element SymbolsIntermediateSpecializedIndium (49) 铟（49）InU+0049 + U+006E—In — 原子序数 49Chemistry, materials, pharmaceuticals, education
Sn is the chemical symbol for Tin, atomic number 50.Element SymbolsIntermediateSpecializedTin (50) 锡（50）SnU+0053 + U+006E—Sn — 原子序数 50Chemistry, materials, pharmaceuticals, education
Sb is the chemical symbol for Antimony, atomic number 51.Element SymbolsIntermediateSpecializedAntimony (51) 锑（51）SbU+0053 + U+0062—Sb — 原子序数 51Chemistry, materials, pharmaceuticals, education
Te is the chemical symbol for Tellurium, atomic number 52.Element SymbolsIntermediateSpecializedTellurium (52) 碲（52）TeU+0054 + U+0065—Te — 原子序数 52Chemistry, materials, pharmaceuticals, education
I is the chemical symbol for Iodine, atomic number 53.Element SymbolsIntermediateSpecializedIodine (53) 碘（53）IU+0049—I — 原子序数 53Chemistry, materials, pharmaceuticals, education
Xe is the chemical symbol for Xenon, atomic number 54.Element SymbolsIntermediateSpecializedXenon (54) 氙（54）XeU+0058 + U+0065—Xe — 原子序数 54Chemistry, materials, pharmaceuticals, education
Cs is the chemical symbol for Caesium, atomic number 55.Element SymbolsIntermediateSpecializedCaesium (55) 铯（55）CsU+0043 + U+0073—Cs — 原子序数 55Chemistry, materials, pharmaceuticals, education
Ba is the chemical symbol for Barium, atomic number 56.Element SymbolsIntermediateSpecializedBarium (56) 钡（56）BaU+0042 + U+0061—Ba — 原子序数 56Chemistry, materials, pharmaceuticals, education
La is the chemical symbol for Lanthanum, atomic number 57.Element SymbolsIntermediateSpecializedLanthanum (57) 镧（57）LaU+004C + U+0061—La — 原子序数 57Chemistry, materials, pharmaceuticals, education
Ce is the chemical symbol for Cerium, atomic number 58.Element SymbolsIntermediateSpecializedCerium (58) 铈（58）CeU+0043 + U+0065—Ce — 原子序数 58Chemistry, materials, pharmaceuticals, education
Pr is the chemical symbol for Praseodymium, atomic number 59.Element SymbolsIntermediateSpecializedPraseodymium (59) 镨（59）PrU+0050 + U+0072—Pr — 原子序数 59Chemistry, materials, pharmaceuticals, education
Nd is the chemical symbol for Neodymium, atomic number 60.Element SymbolsIntermediateSpecializedNeodymium (60) 钕（60）NdU+004E + U+0064—Nd — 原子序数 60Chemistry, materials, pharmaceuticals, education
Pm is the chemical symbol for Promethium, atomic number 61.Element SymbolsIntermediateSpecializedPromethium (61) 钷（61）PmU+0050 + U+006D—Pm — 原子序数 61Chemistry, materials, pharmaceuticals, education
Sm is the chemical symbol for Samarium, atomic number 62.Element SymbolsIntermediateSpecializedSamarium (62) 钐（62）SmU+0053 + U+006D—Sm — 原子序数 62Chemistry, materials, pharmaceuticals, education
Eu is the chemical symbol for Europium, atomic number 63.Element SymbolsIntermediateSpecializedEuropium (63) 铕（63）EuU+0045 + U+0075—Eu — 原子序数 63Chemistry, materials, pharmaceuticals, education
Gd is the chemical symbol for Gadolinium, atomic number 64.Element SymbolsIntermediateSpecializedGadolinium (64) 钆（64）GdU+0047 + U+0064—Gd — 原子序数 64Chemistry, materials, pharmaceuticals, education
Tb is the chemical symbol for Terbium, atomic number 65.Element SymbolsIntermediateSpecializedTerbium (65) 铽（65）TbU+0054 + U+0062—Tb — 原子序数 65Chemistry, materials, pharmaceuticals, education
Dy is the chemical symbol for Dysprosium, atomic number 66.Element SymbolsIntermediateSpecializedDysprosium (66) 镝（66）DyU+0044 + U+0079—Dy — 原子序数 66Chemistry, materials, pharmaceuticals, education
Ho is the chemical symbol for Holmium, atomic number 67.Element SymbolsIntermediateSpecializedHolmium (67) 钬（67）HoU+0048 + U+006F—Ho — 原子序数 67Chemistry, materials, pharmaceuticals, education
Er is the chemical symbol for Erbium, atomic number 68.Element SymbolsIntermediateSpecializedErbium (68) 铒（68）ErU+0045 + U+0072—Er — 原子序数 68Chemistry, materials, pharmaceuticals, education
Tm is the chemical symbol for Thulium, atomic number 69.Element SymbolsIntermediateSpecializedThulium (69) 铥（69）TmU+0054 + U+006D—Tm — 原子序数 69Chemistry, materials, pharmaceuticals, education
Yb is the chemical symbol for Ytterbium, atomic number 70.Element SymbolsIntermediateSpecializedYtterbium (70) 镱（70）YbU+0059 + U+0062—Yb — 原子序数 70Chemistry, materials, pharmaceuticals, education
Lu is the chemical symbol for Lutetium, atomic number 71.Element SymbolsIntermediateSpecializedLutetium (71) 镥（71）LuU+004C + U+0075—Lu — 原子序数 71Chemistry, materials, pharmaceuticals, education
Hf is the chemical symbol for Hafnium, atomic number 72.Element SymbolsIntermediateSpecializedHafnium (72) 铪（72）HfU+0048 + U+0066—Hf — 原子序数 72Chemistry, materials, pharmaceuticals, education
Ta is the chemical symbol for Tantalum, atomic number 73.Element SymbolsIntermediateSpecializedTantalum (73) 钽（73）TaU+0054 + U+0061—Ta — 原子序数 73Chemistry, materials, pharmaceuticals, education
W is the chemical symbol for Tungsten, atomic number 74.Element SymbolsIntermediateSpecializedTungsten (74) 钨（74）WU+0057—W — 原子序数 74Chemistry, materials, pharmaceuticals, education
Re is the chemical symbol for Rhenium, atomic number 75.Element SymbolsIntermediateSpecializedRhenium (75) 铼（75）ReU+0052 + U+0065—Re — 原子序数 75Chemistry, materials, pharmaceuticals, education
Os is the chemical symbol for Osmium, atomic number 76.Element SymbolsIntermediateSpecializedOsmium (76) 锇（76）OsU+004F + U+0073—Os — 原子序数 76Chemistry, materials, pharmaceuticals, education
Ir is the chemical symbol for Iridium, atomic number 77.Element SymbolsIntermediateSpecializedIridium (77) 铱（77）IrU+0049 + U+0072—Ir — 原子序数 77Chemistry, materials, pharmaceuticals, education
Pt is the chemical symbol for Platinum, atomic number 78.Element SymbolsIntermediateSpecializedPlatinum (78) 铂（78）PtU+0050 + U+0074—Pt — 原子序数 78Chemistry, materials, pharmaceuticals, education
Au is the chemical symbol for Gold, atomic number 79.Element SymbolsIntermediateSpecializedGold (79) 金（79）AuU+0041 + U+0075—Au — 原子序数 79Chemistry, materials, pharmaceuticals, education
Hg is the chemical symbol for Mercury, atomic number 80.Element SymbolsIntermediateSpecializedMercury (80) 汞（80）HgU+0048 + U+0067—Hg — 原子序数 80Chemistry, materials, pharmaceuticals, education
Tl is the chemical symbol for Thallium, atomic number 81.Element SymbolsIntermediateSpecializedThallium (81) 铊（81）TlU+0054 + U+006C—Tl — 原子序数 81Chemistry, materials, pharmaceuticals, education
Pb is the chemical symbol for Lead, atomic number 82.Element SymbolsIntermediateSpecializedLead (82) 铅（82）PbU+0050 + U+0062—Pb — 原子序数 82Chemistry, materials, pharmaceuticals, education
Bi is the chemical symbol for Bismuth, atomic number 83.Element SymbolsIntermediateSpecializedBismuth (83) 铋（83）BiU+0042 + U+0069—Bi — 原子序数 83Chemistry, materials, pharmaceuticals, education
Po is the chemical symbol for Polonium, atomic number 84.Element SymbolsIntermediateSpecializedPolonium (84) 钋（84）PoU+0050 + U+006F—Po — 原子序数 84Chemistry, materials, pharmaceuticals, education
At is the chemical symbol for Astatine, atomic number 85.Element SymbolsIntermediateSpecializedAstatine (85) 砹（85）AtU+0041 + U+0074—At — 原子序数 85Chemistry, materials, pharmaceuticals, education
Rn is the chemical symbol for Radon, atomic number 86.Element SymbolsIntermediateSpecializedRadon (86) 氡（86）RnU+0052 + U+006E—Rn — 原子序数 86Chemistry, materials, pharmaceuticals, education
Fr is the chemical symbol for Francium, atomic number 87.Element SymbolsIntermediateSpecializedFrancium (87) 钫（87）FrU+0046 + U+0072—Fr — 原子序数 87Chemistry, materials, pharmaceuticals, education
Ra is the chemical symbol for Radium, atomic number 88.Element SymbolsIntermediateSpecializedRadium (88) 镭（88）RaU+0052 + U+0061—Ra — 原子序数 88Chemistry, materials, pharmaceuticals, education
Ac is the chemical symbol for Actinium, atomic number 89.Element SymbolsIntermediateSpecializedActinium (89) 锕（89）AcU+0041 + U+0063—Ac — 原子序数 89Chemistry, materials, pharmaceuticals, education
Th is the chemical symbol for Thorium, atomic number 90.Element SymbolsIntermediateSpecializedThorium (90) 钍（90）ThU+0054 + U+0068—Th — 原子序数 90Chemistry, materials, pharmaceuticals, education
Pa is the chemical symbol for Protactinium, atomic number 91.Element SymbolsIntermediateSpecializedProtactinium (91) 镤（91）PaU+0050 + U+0061—Pa — 原子序数 91Chemistry, materials, pharmaceuticals, education
U is the chemical symbol for Uranium, atomic number 92.Element SymbolsIntermediateSpecializedUranium (92) 铀（92）UU+0055—U — 原子序数 92Chemistry, materials, pharmaceuticals, education
Np is the chemical symbol for Neptunium, atomic number 93.Element SymbolsIntermediateSpecializedNeptunium (93) 镎（93）NpU+004E + U+0070—Np — 原子序数 93Chemistry, materials, pharmaceuticals, education
Pu is the chemical symbol for Plutonium, atomic number 94.Element SymbolsIntermediateSpecializedPlutonium (94) 钚（94）PuU+0050 + U+0075—Pu — 原子序数 94Chemistry, materials, pharmaceuticals, education
Am is the chemical symbol for Americium, atomic number 95.Element SymbolsIntermediateSpecializedAmericium (95) 镅（95）AmU+0041 + U+006D—Am — 原子序数 95Chemistry, materials, pharmaceuticals, education
Cm is the chemical symbol for Curium, atomic number 96.Element SymbolsIntermediateSpecializedCurium (96) 锔（96）CmU+0043 + U+006D—Cm — 原子序数 96Chemistry, materials, pharmaceuticals, education
Bk is the chemical symbol for Berkelium, atomic number 97.Element SymbolsIntermediateSpecializedBerkelium (97) 锫（97）BkU+0042 + U+006B—Bk — 原子序数 97Chemistry, materials, pharmaceuticals, education
Cf is the chemical symbol for Californium, atomic number 98.Element SymbolsIntermediateSpecializedCalifornium (98) 锎（98）CfU+0043 + U+0066—Cf — 原子序数 98Chemistry, materials, pharmaceuticals, education
Es is the chemical symbol for Einsteinium, atomic number 99.Element SymbolsIntermediateSpecializedEinsteinium (99) 锿（99）EsU+0045 + U+0073—Es — 原子序数 99Chemistry, materials, pharmaceuticals, education
Fm is the chemical symbol for Fermium, atomic number 100.Element SymbolsIntermediateSpecializedFermium (100) 镄（100）FmU+0046 + U+006D—Fm — 原子序数 100Chemistry, materials, pharmaceuticals, education
Md is the chemical symbol for Mendelevium, atomic number 101.Element SymbolsIntermediateSpecializedMendelevium (101) 钔（101）MdU+004D + U+0064—Md — 原子序数 101Chemistry, materials, pharmaceuticals, education
No is the chemical symbol for Nobelium, atomic number 102.Element SymbolsIntermediateSpecializedNobelium (102) 锘（102）NoU+004E + U+006F—No — 原子序数 102Chemistry, materials, pharmaceuticals, education
Lr is the chemical symbol for Lawrencium, atomic number 103.Element SymbolsIntermediateSpecializedLawrencium (103) 铹（103）LrU+004C + U+0072—Lr — 原子序数 103Chemistry, materials, pharmaceuticals, education
Rf is the chemical symbol for Rutherfordium, atomic number 104.Element SymbolsIntermediateSpecializedRutherfordium (104) 𬬻（104）RfU+0052 + U+0066—Rf — 原子序数 104Chemistry, materials, pharmaceuticals, education
Db is the chemical symbol for Dubnium, atomic number 105.Element SymbolsIntermediateSpecializedDubnium (105) 𬭊（105）DbU+0044 + U+0062—Db — 原子序数 105Chemistry, materials, pharmaceuticals, education
Sg is the chemical symbol for Seaborgium, atomic number 106.Element SymbolsIntermediateSpecializedSeaborgium (106) 𬭳（106）SgU+0053 + U+0067—Sg — 原子序数 106Chemistry, materials, pharmaceuticals, education
Bh is the chemical symbol for Bohrium, atomic number 107.Element SymbolsIntermediateSpecializedBohrium (107) 𬭛（107）BhU+0042 + U+0068—Bh — 原子序数 107Chemistry, materials, pharmaceuticals, education
Hs is the chemical symbol for Hassium, atomic number 108.Element SymbolsIntermediateSpecializedHassium (108) 𬭶（108）HsU+0048 + U+0073—Hs — 原子序数 108Chemistry, materials, pharmaceuticals, education
Mt is the chemical symbol for Meitnerium, atomic number 109.Element SymbolsIntermediateSpecializedMeitnerium (109) 鿏（109）MtU+004D + U+0074—Mt — 原子序数 109Chemistry, materials, pharmaceuticals, education
Ds is the chemical symbol for Darmstadtium, atomic number 110.Element SymbolsIntermediateSpecializedDarmstadtium (110) 𫟼（110）DsU+0044 + U+0073—Ds — 原子序数 110Chemistry, materials, pharmaceuticals, education
Rg is the chemical symbol for Roentgenium, atomic number 111.Element SymbolsIntermediateSpecializedRoentgenium (111) 𬬭（111）RgU+0052 + U+0067—Rg — 原子序数 111Chemistry, materials, pharmaceuticals, education
Cn is the chemical symbol for Copernicium, atomic number 112.Element SymbolsIntermediateSpecializedCopernicium (112) 鿔（112）CnU+0043 + U+006E—Cn — 原子序数 112Chemistry, materials, pharmaceuticals, education
Nh is the chemical symbol for Nihonium, atomic number 113.Element SymbolsIntermediateSpecializedNihonium (113) 鿭（113）NhU+004E + U+0068—Nh — 原子序数 113Chemistry, materials, pharmaceuticals, education
Fl is the chemical symbol for Flerovium, atomic number 114.Element SymbolsIntermediateSpecializedFlerovium (114) 𫓧（114）FlU+0046 + U+006C—Fl — 原子序数 114Chemistry, materials, pharmaceuticals, education
Mc is the chemical symbol for Moscovium, atomic number 115.Element SymbolsIntermediateSpecializedMoscovium (115) 镆（115）McU+004D + U+0063—Mc — 原子序数 115Chemistry, materials, pharmaceuticals, education
Lv is the chemical symbol for Livermorium, atomic number 116.Element SymbolsIntermediateSpecializedLivermorium (116) 𫟷（116）LvU+004C + U+0076—Lv — 原子序数 116Chemistry, materials, pharmaceuticals, education
Ts is the chemical symbol for Tennessine, atomic number 117.Element SymbolsIntermediateSpecializedTennessine (117) 鿬（117）TsU+0054 + U+0073—Ts — 原子序数 117Chemistry, materials, pharmaceuticals, education
Og is the chemical symbol for Oganesson, atomic number 118.Element SymbolsIntermediateSpecializedOganesson (118) 鿫（118）OgU+004F + U+0067—Og — 原子序数 118Chemistry, materials, pharmaceuticals, education
→ denotes yields or reaction direction in reactions & equations.Reactions & EquationsIntermediateFrequentYields or reaction direction 生成或反应方向\rightarrowU+2192—2H₂ + O₂ → 2H₂OChemistry, materials, pharmaceuticals, laboratories
⇌ denotes reversible reaction in reactions & equations.Reactions & EquationsIntermediateFrequentReversible reaction 可逆反应\rightleftharpoonsU+21CC—N₂ + 3H₂ ⇌ 2NH₃Chemistry, materials, pharmaceuticals, laboratories
⇋ denotes dynamic equilibrium in reactions & equations.Reactions & EquationsIntermediateFrequentDynamic equilibrium 动态平衡\rightleftharpoonsU+21CB—A ⇋ BChemistry, materials, pharmaceuticals, laboratories
+ denotes reactant separator in reactions & equations.Reactions & EquationsIntermediateFrequentReactant separator 反应物分隔+U+002B—Na⁺ + Cl⁻Chemistry, materials, pharmaceuticals, laboratories
Δ denotes heating condition in reactions & equations.Reactions & EquationsIntermediateFrequentHeating condition 加热条件\DeltaU+0394—A —Δ→ BChemistry, materials, pharmaceuticals, laboratories
hν denotes photochemical condition in reactions & equations.Reactions & EquationsIntermediateFrequentPhotochemical condition 光照条件h\nuU+0068 + U+03BD—A —hν→ BChemistry, materials, pharmaceuticals, laboratories
cat. denotes catalyst in reactions & equations.Reactions & EquationsIntermediateFrequentCatalyst 催化剂\mathrm{cat.}U+0063 + U+0061 + U+0074 + U+002E—A —cat.→ BChemistry, materials, pharmaceuticals, laboratories
(s) denotes solid state in states & conditions.States & ConditionsIntermediateFrequentSolid state 固态\mathrm{(s)}U+0028 + U+0073 + U+0029—NaCl(s)Chemistry, materials, pharmaceuticals, laboratories
(l) denotes liquid state in states & conditions.States & ConditionsIntermediateFrequentLiquid state 液态\mathrm{(l)}U+0028 + U+006C + U+0029—H₂O(l)Chemistry, materials, pharmaceuticals, laboratories
(g) denotes gaseous state in states & conditions.States & ConditionsIntermediateFrequentGaseous state 气态\mathrm{(g)}U+0028 + U+0067 + U+0029—O₂(g)Chemistry, materials, pharmaceuticals, laboratories
(aq) denotes aqueous solution in states & conditions.States & ConditionsIntermediateFrequentAqueous solution 水溶液\mathrm{(aq)}U+0028 + U+0061 + U+0071 + U+0029—Na⁺(aq)Chemistry, materials, pharmaceuticals, laboratories
↑ denotes gas evolved in states & conditions.States & ConditionsIntermediateFrequentGas evolved 气体逸出\uparrowU+2191—CO₂↑Chemistry, materials, pharmaceuticals, laboratories
↓ denotes precipitate formed in states & conditions.States & ConditionsIntermediateFrequentPrecipitate formed 沉淀生成\downarrowU+2193—AgCl↓Chemistry, materials, pharmaceuticals, laboratories
δ⁺ denotes partial positive charge in structure & bonding.Structure & BondingIntermediateFrequentPartial positive charge 部分正电荷\delta^+U+03B4 + U+207A—Hδ⁺—Clδ⁻Chemistry, materials, pharmaceuticals, laboratories
δ⁻ denotes partial negative charge in structure & bonding.Structure & BondingIntermediateFrequentPartial negative charge 部分负电荷\delta^-U+03B4 + U+207B—Hδ⁺—Clδ⁻Chemistry, materials, pharmaceuticals, laboratories
⁺ denotes positive charge in structure & bonding.Structure & BondingIntermediateFrequentPositive charge 正电荷^+U+207A—Na⁺Chemistry, materials, pharmaceuticals, laboratories
⁻ denotes negative charge in structure & bonding.Structure & BondingIntermediateFrequentNegative charge 负电荷^-U+207B—Cl⁻Chemistry, materials, pharmaceuticals, laboratories
· denotes radical electron in structure & bonding.Structure & BondingIntermediateFrequentRadical electron 自由基单电子\cdotU+00B7—Cl·Chemistry, materials, pharmaceuticals, laboratories
: denotes lone pair in structure & bonding.Structure & BondingIntermediateFrequentLone pair 孤对电子:U+003A—:N≡N:Chemistry, materials, pharmaceuticals, laboratories
— denotes single bond in structure & bonding.Structure & BondingIntermediateFrequentSingle bond 单键-U+2014—H—HChemistry, materials, pharmaceuticals, laboratories
= denotes double bond in structure & bonding.Structure & BondingIntermediateFrequentDouble bond 双键=U+003D—O=OChemistry, materials, pharmaceuticals, laboratories
≡ denotes triple bond in structure & bonding.Structure & BondingIntermediateFrequentTriple bond 三键\equivU+2261—N≡NChemistry, materials, pharmaceuticals, laboratories
⋯ denotes hydrogen bond or weak interaction in structure & bonding.Structure & BondingIntermediateFrequentHydrogen bond or weak interaction 氢键或弱相互作用\cdotsU+22EF—O—H⋯OChemistry, materials, pharmaceuticals, laboratories
R denotes organic substituent in structure & bonding.Structure & BondingIntermediateFrequentOrganic substituent 有机取代基RU+0052—R—OHChemistry, materials, pharmaceuticals, laboratories
Ar denotes aryl group in structure & bonding.Structure & BondingIntermediateFrequentAryl group 芳基\mathrm{Ar}U+0041 + U+0072—Ar—ClChemistry, materials, pharmaceuticals, laboratories
(R) denotes r configuration in stereochemistry.StereochemistryIntermediateFrequentR configuration R 构型(R)U+0028 + U+0052 + U+0029—(R)-2-butanolChemistry, materials, pharmaceuticals, laboratories
(S) denotes s configuration in stereochemistry.StereochemistryIntermediateFrequentS configuration S 构型(S)U+0028 + U+0053 + U+0029—(S)-2-butanolChemistry, materials, pharmaceuticals, laboratories
(E) denotes e configuration in stereochemistry.StereochemistryIntermediateFrequentE configuration E 构型(E)U+0028 + U+0045 + U+0029—(E)-but-2-eneChemistry, materials, pharmaceuticals, laboratories
(Z) denotes z configuration in stereochemistry.StereochemistryIntermediateFrequentZ configuration Z 构型(Z)U+0028 + U+005A + U+0029—(Z)-but-2-eneChemistry, materials, pharmaceuticals, laboratories
α denotes alpha position or anomer in stereochemistry.StereochemistryIntermediateFrequentAlpha position or anomer 阿尔法位或异头体\alphaU+03B1—α-D-glucoseChemistry, materials, pharmaceuticals, laboratories
β denotes beta position or anomer in stereochemistry.StereochemistryIntermediateFrequentBeta position or anomer 贝塔位或异头体\betaU+03B2—β-D-glucoseChemistry, materials, pharmaceuticals, laboratories
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