// REFERENCE

PERIODIC TABLE

All 118 known elements organised by atomic number. Hover any element to view its 3D atomic model, electron configuration, and key properties.

// INTERACTIVE — PERIODIC TABLE OF ELEMENTS

ALKALI METAL
ALKALINE EARTH METAL
TRANSITION METAL
POST-TRANSITION METAL
METALLOID
NONMETAL
HALOGEN
NOBLE GAS
LANTHANIDE
ACTINIDE
1H1.008
2He4.003
3Li6.941
4Be9.012
5B10.811
6C12.011
7N14.007
8O15.999
9F18.998
10Ne20.180
11Na22.990
12Mg24.305
13Al26.982
14Si28.086
15P30.974
16S32.065
17Cl35.453
18Ar39.948
19K39.098
20Ca40.078
21Sc44.956
22Ti47.867
23V50.942
24Cr51.996
25Mn54.938
26Fe55.845
27Co58.933
28Ni58.693
29Cu63.546
30Zn65.380
31Ga69.723
32Ge72.630
33As74.922
34Se78.971
35Br79.904
36Kr83.798
37Rb85.468
38Sr87.620
39Y88.906
40Zr91.224
41Nb92.906
42Mo95.960
43Tc97.000
44Ru101.07
45Rh102.91
46Pd106.42
47Ag107.87
48Cd112.41
49In114.82
50Sn118.71
51Sb121.76
52Te127.60
53I126.90
54Xe131.29
55Cs132.91
56Ba137.33
57La138.91
58Ce140.12
59Pr140.91
60Nd144.24
61Pm145.00
62Sm150.36
63Eu151.96
64Gd157.25
65Tb158.93
66Dy162.50
67Ho164.93
68Er167.26
69Tm168.93
70Yb173.05
71Lu174.97
72Hf178.49
73Ta180.95
74W183.84
75Re186.21
76Os190.23
77Ir192.22
78Pt195.08
79Au196.97
80Hg200.59
81Tl204.38
82Pb207.20
83Bi208.98
84Po209.00
85At210.00
86Rn222.00
87Fr223.00
88Ra226.00
89Ac227.00
90Th232.04
91Pa231.04
92U238.03
93Np237.00
94Pu244.00
95Am243.00
96Cm247.00
97Bk247.00
98Cf251.00
99Es252.00
100Fm257.00
101Md258.00
102No259.00
103Lr266.00
104Rf267.00
105Db268.00
106Sg271.00
107Bh272.00
108Hs270.00
109Mt278.00
110Ds281.00
111Rg282.00
112Cn285.00
113Nh286.00
114Fl289.00
115Mc290.00
116Lv293.00
117Ts294.00
118Og294.00
57–71
89–103
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