Atomic Number of Elements from 1 to 50

List of first 50 elements of the periodic table by atomic number including the chemical symbol and the atomic weight. You can print the list of elements by hitting the print button below.

Atomic NumberChemical SymbolElement NameAtomic Weight (u)
1HHydrogen1.008
2HeHelium4.002602
3LiLithium6.94
4BeBeryllium9.0121831
5BBoron10.81
6CCarbon12.011
7NNitrogen14.007
8OOxygen15.999
9FFluorine18.99840316
10NeNeon20.1797
11NaSodium22.98976928
12MgMagnesium24.305
13AlAluminium26.9815385
14SiSilicon28.085
15PPhosphorus30.973762
16SSulfur32.06
17ClChlorine35.45
18ArArgon39.948
19KPotassium39.0983
20CaCalcium40.078
21ScScandium44.955908
22TiTitanium47.867
23VVanadium50.9415
24CrChromium51.9961
25MnManganese54.938044
26FeIron55.845
27CoCobalt58.933194
28NiNickel58.6934
29CuCopper63.546
30ZnZinc65.38
31GaGallium69.723
32GeGermanium72.63
33AsArsenic74.921595
34SeSelenium78.971
35BrBromine79.904
36KrKrypton83.798
37RbRubidium85.4678
38SrStrontium87.62
39YYttrium88.90584
40ZrZirconium91.224
41NbNiobium92.90637
42MoMolybdenum95.95
43TcTechnetium98
44RuRuthenium101.07
45RhRhodium102.9055
46PdPalladium106.42
47AgSilver107.8682
48CdCadmium112.414
49InIndium114.818
50SnTin118.71

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