Atomic Numbers of first 20 elements Flashcards
1
Q
HHydrogen
A
1
2
Q
HeHelium
A
2
3
Q
LiLithium
A
3
4
Q
BeBeryllium
A
4
5
Q
BBoron
A
5
6
Q
CCarbon
A
6
7
Q
NNitrogen
A
7
8
Q
OOxygen
A
8
9
Q
FFlurine
A
9
10
Q
NeNeon
A
10
11
Q
NaSodium
A
11
12
Q
MgMagnesium
A
12
13
Q
AlAliminum
A
13
14
Q
SiSilicon
A
14`
15
Q
PPhosphorus
A
15
16
Q
SSulphur
A
16
17
Q
ClChlorine
A
17
18
Q
ArArgon
A
18
19
Q
kPotassium
A
19
20
Q
CaCalcium
A
20
21
Q
**Ar ** Iron
A
26
22
Q
Zn Zinc
A
30
