H, 1, 1.01
Hydrogen
He, 2, 4
Helium
Li, 3, 6.94
Lithium
Be, 4, 9.01
Beryllium
B, 5, 10.81
Boron
C, 6, 12.01
Carbon
N, 7, 14.01
Nitrogen
O, 8, 16
Oxygen
F, 9, 19
Fluorine
Ne, 10, 20.18
neon
Na, 11, 22.99
Sodium
Mg, 12, 24.31
Magnesium
Al, 13, 26.98
Aluminum
Si, 14, 28.09
Silicon
P, 15, 30.97
Phosphorus
S, 16, 32.07
Sulfer
Cl, 17, 35.45
Chlorine
Ar, 18, 39.95
Argon
K, 19, 39.10
Potassium
Ca, 20, 40.08
Calcium
Sc, 21, 44.96
Scandium
Ti, 22, 47.87
Titanium
V, 23, 50.94
Vanadium
Cr, 24, 52
Chromium
Mn, 25, 54.94
Manganese
Fe, 26, 55.85
Iron
Co, 27, 58.93
Cobalt
Ni, 28, 58.69
Nickle
Cu, 29, 63.55
Copper
Zn, 30, 65.39
Zinc
As, 33, 74.92
Arsenic
Br, 35, 79.9
Bromine
Kr, 36, 83.8
Krypton
Ag, 47, 107.87
Silver
Sn, 50, 118.71
Tin
W, 74, 183.84
Tungsten
Au, 79, 196.97
Gold
Hg, 80, 200.59
Mercury
Pb, 82, 207.2
Lead
U, 92, 238.03
Uranium