1 - 20 Flashcards
1
Q
Hydrogen
A
1
2
Q
Helium
A
2
3
Q
Lithium
A
3
4
Q
Beryllium
A
4
5
Q
Boron
A
5
6
Q
Carbon
A
6
7
Q
Nitrogen
A
7
8
Q
Oxygen
A
8
9
Q
Fluorine
A
9
10
Q
Neon
A
10
11
Q
Sodium
A
11
12
Q
Magnesium
A
12
13
Q
Aluminium
A
13
14
Q
Silicon
A
14
15
Q
Phosphorus
A
15
