First 20 Flashcards
(20 cards)
1
Q
Hydrogen
A
H,1
2
Q
Helium
A
He,2
3
Q
Lithium
A
Li,3
4
Q
Beryllium
A
Be,4
5
Q
Boron
A
B,5
6
Q
Carbon
A
C,6
7
Q
Nitrogen
A
N,7
8
Q
Oxygen
A
O,8
9
Q
Fluorine
A
F,9
10
Q
Neon
A
Ne,10
11
Q
Sodium
A
Na,11
12
Q
Magnesium
A
Mg,12
13
Q
Aluminum
A
Al,13
14
Q
Silicon
A
Si,14
15
Q
Phosphorus
A
P,15
16
Q
Sulfur
A
S,16
17
Q
Chlorine
A
Cl,17
18
Q
Argon
A
Ar,18
19
Q
Potassium
A
K,19
20
Q
Calcium
A
Ca,20
