1/20
CH3OH
Hint: 1 choice
2/20
H2
4/20
H202
5/20
P4
6/20
Cl2
7/20
C6H1206
Hint: 1 choice
8/20
C12H22011
Hint: 1 choice
9/20
S8
10/20
CH3COOH
Hint: 1 choice
12/20
I2
13/20
Br2
15/20
C2H5OH
Hint: 1 choice
17/20
O2
18/20
N2
19/20
F2
20/20
C3H8
Hint: 1 choice