Transition Metal
Nonmetal
Alkaline Earth Metal
Lanthanoid
Actinoid
Alkali Metal
Post-Transition Metal
Metalloid
Halogen
Noble Gas
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1HHydrogen1.00794
2HeHelium4.002602
3LiLithium6.941
4BeBeryllium9.012182
5BBoron10.811
6CCarbon12.0107
7NNitrogen14.0067
8OOxygen15.9994
9FFluorine18.9984032
10NeNeon20.1797
11NaSodium22.9898
12MgMagnesium24.3050
13AlAluminum26.9815
14SiSilicon28.0855
15PPhosphorus30.9738
16SSulfur32.0650
17ClChlorine35.4530
18ArArgon39.9480
19KPotassium39.0983
20CaCalcium40.0780
21ScScandium44.9559
22TiTitanium47.8670
23VVanadium50.9415
24CrChromium51.9961
25MnManganese54.9380
26FeIron55.8450
27CoCobalt58.9332
28NiNickel58.6934
29CuCopper63.5460
30ZnZinc65.3800
31GaGallium69.7230
32GeGermanium72.6300
33AsArsenic74.9216
34SeSelenium78.9600
35BrBromine79.9040
36KrKrypton83.7980
37RbRubidium85.4678
38SrStrontium87.6200
39YYttrium88.9059
40ZrZirconium91.2240
41NbNiobium92.9064
42MoMolybdenum95.9600
43TcTechnetium(98)
44RuRuthenium101.0700
45RhRhodium102.9055
46PdPalladium106.4200
47AgSilver107.8682
48CdCadmium112.4110
49InIndium114.8180
50SnTin118.7100
51SbAntimony121.7600
52TeTellurium127.6000
53IIodine126.9045
54XeXenon131.293
55CsCaesium132.9054
56BaBarium137.3270
57LaLanthanum138.9055
58CeCerium140.1160
59PrPraseodymium140.9077
60NdNeodymium144.2420
61PmPromethium(145)
62SmSamarium150.3600
63EuEuropium151.9640
64GdGadolinium157.2500
65TbTerbium158.9254
66DyDysprosium162.5000
67HoHolmium164.9303
68ErErbium167.259
69TmThulium168.9342
70YbYtterbium173.0540
71LuLutetium174.9668
72HfHafnium178.4900
73TaTantalum180.9479
74WTungsten183.8400
75ReRhenium186.2070
76OsOsmium190.2300
77IrIridium192.2170
78PtPlatinum195.0840
79AuGold196.9666
80HgMercury200.5900
81TlThallium204.3833
82PbLead207.2
83BiBismuth208.9804
84PoPolonium(209)
85AtAstatine(210)
86RnRadon(222)
87FrFrancium(223)
88RaRadium(226)
89AcActinium(227)
90ThThorium232.0381
91PaProtactinium231.0359
92UUranium238.0289
93NpNeptunium(237)
94PuPlutonium(244)
95AmAmericium(243)
96CmCurium(247)
97BkBerkelium(247)
98CfCalifornium(251)
99EsEinsteinium(252)
100FmFermium(257)
101MdMendelevium(258)
102NoNobelium(259)
103LrLawrencium(262)
104RfRutherfordium(267)
105DbDubnium(268)
106SgSeaborgium(271)
107BhBohrium(272)
108HsHassium(270)
109MtMeitnerium(276)
110DsDarmstadtium(281)
111RgRoentgenium(280)
112CnCopernicium(285)
113UutUnuntrium(284)
114FlFlerovium(289)
115UupUnunpentium(288)
116LvLivermorium(293)
117UusUnunseptium(294)
118UuoUnunoctium(294)

H

Hydrogen

Display
  • Atomic Number 1
  • Symbol H
  • Name Hydrogen
  • Series Nonmetal
  • Mass 1.00794 g/mol
  • Valence 1
  • Melting Point 14.01 kelvin
  • Boiling Point 20.28 kelvin
  • Electronegativity 2.20
  • Electron Affinity 72.8 kJ/mol
  • First Ionization 1312.0 kJ/mol
  • Second Ionization Unknown
  • Third Ionization Unknown
  • Calculated Radius 53 pm
  • Empirical Radius 25 pm
  • Covalent Radius 37 pm
  • Van der Waals Radius 120 pm
  • Brinell Hardness Unknown
  • Mohs Hardness Unknown
  • Vickers Hardness Unknown
  • Bulk Modulus Unknown
  • Shear Modulus Unknown
  • Young Modulus Unknown
  • STP Density 0.0899 kg/m³
  • Thermal Conductivity 0.1805 W/mK
  • Electrical Conductivity Unknown
  • Specific Heat 14300 J/kgK
  • Heat of Fusion 0.558 kJ/mol
  • Heat of Vaporization 0.452 kJ/mol
  • Common Ions N/A
  • Core Config 1s1
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