Front | Back |
1
|
Hydrogen
H
|
2
|
Helium
He
|
3
|
Lithium
Li
|
4
|
Beryllium
Be
|
5
|
Boron
B
|
6
|
Carbon
C
|
7
|
Nitrogen
N
|
8
|
Oxygen
O
|
9
|
Fluorine
F
|
10
|
Neon
Ne
|
11
|
Sodium
Na
|
12
|
Magnesium
Mg
|
13
|
Aluminum
Al
|
14
|
Silicon
Si
|
15
|
Phosphorus
P
|