Hydrogen
1
1
H
2
He
Helium
2
3
Li
Lithium
3
4
Be
Beryllium
4
5
B
Boron
5
6
C
Carbon
6
7
N
Nitrogen
7
8
O
Oxygen
8
9
F
Fluorine
9
Neon
10
10
Ne
11
Na
Sodium
11
12
Mg
Magnesium
12
13
Al
Aluminum
13
Silicon
14
14
Si
Phosphorus
15
15
P
Sulfur
16
16
S
17
Cl
Chlorine
17
18
Ar
Argon
18
19
K
Potassium
19
20
Ca
Calcium
20
21
Sc
Scandium
21
22
Ti
Titanium
22
23
V
Vanadium
23
24
Cr
Chromium
24
25
Mn
Manganese
25
26
Fe
Iron
26
27
Co
Cobalt
27
28
Ni
Nickel
28
29
Cu
Copper
29
30
Zn
Zinc
30
31
Ga
Gallium
31
32
Ge
Germanium
32
33
As
Arsenic
33
34
Se
Selenium
34
35
Br
Bromine
35
36
Kr
Krypton
36
37
Rb
Rubidium
37
38
Sr
Strontium
38
39
Y
Yttrium
39
40
Zr
Zirconium
40
41
Nb
Niobium
41
42
Mo
Molybdenum
42
43
Tc
Technetium
43
44
Ru
Ruthenium
44
45
Rh
Rhodium
45
46
Pd
Palladium
46
47
Ag
Silver
47
48
Cd
Cadmium
48
49
In
Indium
49
50
Sn
Tin
50