30+ Flashcards
1
Q
Hydrogen
A
1
2
Q
He
A
4
3
Q
Li
A
7
4
Q
Beryllium
A
9
5
Q
Boron
A
11
6
Q
Carbon
A
12
7
Q
Nitrogen
A
14
8
Q
Oxygen
A
16
9
Q
Fluorine
A
19
10
Q
Neon
A
20
11
Q
Sodium
A
23
12
Q
Magnesium
A
24
13
Q
Aluminum
A
27
14
Q
Silicon
A
28
15
Q
Phosphorus
A
31
16
Q
Sulphur
A
32
