1
H
Hydrogen
2
Li
Lithium
3
Be
Beryllium
4
B
Boron
5
He
Helium
6
C
Carbon
7
N
Nitrogen
8
O
Oxygen
9
F
Fluorine
10
Ne
Neon
11
Na
Sodium
12
Mg
Magnesium
13
Al
Aluminum
14
Si
Silicon
15
P
Phosphorous
16
S
Sulfur
17
Cl
Chlorine
18
Ar
Argon
19
K
Potassium
20
Ca
Calcium
21
Cr
Chromium
22
Mn
Manganese
23
Fe
Iron
24
Co
Cobalt
25
Ni
Nickel
26
Cu
Copper
27
Zn
Zinc
28
Br
Bromine
29
Kr
Krypton
30
Rb
Rubidium
31
Sr
Strontium
32
Ag
Silver
33
Sn
Tin
34
Sb
Antimony
35
I
Iodine
36
Xe
Xenon
37
Cs
Cesium
38
Ba
Barium
39
W
Tungsten
40
Au
Gold
41
Hg
Mercury
42
Pb
Lead
43
At
Astatine
44
Rn
Radon
45
U
Uranium
46
Fr
Francium
47
Ra
Radium