elements and their atomic mass Flashcards
1
Q
hydrogen
A
1
2
Q
carbon
A
12
3
Q
nitrogen
A
14`
4
Q
oxygen
A
16
5
Q
sodium
A
23
6
Q
magnesium
A
24
7
Q
sulphur
A
32
8
Q
chlorine
A
35.5
9
Q
calcium
A
40
