H
Hydrogen 1
He
Helium 2
Li
Lithium 3
B
Boron 5
Be
beryllium 4
C
carbon 6
N
nitrogen 7
O
oxygen 8
F
fluorine 9
Ne
neon 10
Na
sodium 11
Mg
magnesium 12
Al
aluminum 13
Si
silicon 14
P
phosphorus 15
S
sulfur 16
Cl
chlorine 17
Ar
argon 18
K
potassium 19
Ca
calcium20
Fe
iron 26
Cu
copper 29
Zn
zinc 30
Br
bromine 35