1
Q
hydrogen
A
1
2
Q
helium
A
2
3
Q
lithium
A
3
4
Q
beryllium
A
4
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
F
A
9
10
Q
Ne
A
10
11
Q
na
A
11
12
Q
Mg
A
12
13
Q
Al
A
13
14
Q
Si
A
14
15
Q
p
A
15
16
Q
s
A
16
17
Q
cl
A
17
18
Q
ar
A
18
19
Q
k
A
19
20
Q
ca
A
20
chemistry, atomic number
flashcards
Decks in class (2)
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