H, 1
Väte
He, 2
Helium
Li, 3
Litium
Be, 4
Beryllium
B, 5
Bor
C, 6
Kol
N, 7
Kväve
O, 8
Syre
F, 9
Fluor
Ne, 10
Neon
Na, 11
Natrium
Mg, 12
Magnesium
Al, 13
Aluminium
Si, 14
Kisel
P, 15
Fosfor
S, 16
Svavel
Cl, 17
Klor
Ar, 18
Argon
K, 19
Kalium
Ca, 20
Kalcium
Ti, 22
Titan
Cr, 24
Krom
Mn, 25
Mangan
Fe, 26
Järn
Co, 27
Kobolt
Ni, 28
Nickel
Cu, 29
Koppar
Zn, 30
Zink
As, 33
Arsenik
Se, 34
Selen
Br, 35
Brom
Kr, 36
Krypton
Ag, 47
Silver
Sn, 50
Tenn
I, 53
Jod
Xe, 54
Xenon
Ba, 56
Barium
W, 74
Volfram
Pt, 78
Platina
Au, 79
Guld
Hg, 80
Kvicksilver
Pb, 82
Bly
Rn, 86
Radon
U, 92
Uran