proton numbers Flashcards
1
Q
hydrogen
A
1
2
Q
helium
A
2
3
Q
lithium
A
3
4
Q
beryllium
A
4
5
Q
boron
A
5
6
Q
carbon
A
6
7
Q
nitrogen
A
7
8
Q
oxygen
A
8
9
Q
fluorine
A
9
10
Q
neon
A
10
11
Q
sodium
A
11
12
Q
magnesium
A
12
13
Q
aluminium
A
13
14
Q
silicon
A
14
15
Q
phosphorus
A
15
16
Q
sulfur
A
16
17
Q
chlorine
A
17
18
Q
argon
A
18
19
Q
potassium
A
19
20
Q
calcium
A
20
