First 20 Elements Flashcards
1
Q
Hydrogen
A
1, 1
2
Q
Helium
A
2, 4
3
Q
Lithium
A
3, 7
4
Q
Beryllium
A
4, 9
5
Q
bORON
A
5, 11
6
Q
Carbon
A
6, 12
7
Q
Nitrogen
A
7, 14
8
Q
Oxygen
A
8, 16
9
Q
Fluorine
A
9, 19
10
Q
Neon
A
10, 20
11
Q
Sodium
A
11, 23
12
Q
Magnesium
A
12, 24
13
Q
Aluminium
A
13, 27
14
Q
Silicon
A
14, 28
15
Q
Chrlorine
A
17, 35.5
