10-20 Elements Flashcards
1
Q
Sodium
A
11
Na
22.9
2
Q
Magnesium
A
12
Mg
24.3
3
Q
Aluminium
A
13
Al
26.9
4
Q
Silicon
A
14
Si
28
5
Q
Phosphorous
A
15
P
30.9
6
Q
Sulfur
A
16
S
32
7
Q
Chlorine
A
17
Cl
35.4
8
Q
Argon
A
18
Ar
39.9
9
Q
Potassium
A
19
K
39
10
Q
Calcium
A
20
Ca
40
