35
CH₄
methane
H
C
H
H
H
NH₃
ammonia
H
N
H
H
H₂O
water
O
H
H
N₂
triple bond
N
N
O₂
double bond
O
O
SiO₂
silicon dioxide
O
Si
O
O₃
ozone
O
O
O
FeO
ferrous oxide
Fe
O
Al
Al
Al₂O₃
O
O
O
O
NaNO₃
sodium nitrate
Na
O
N
O
MgCl₂
magnesium dichloride
Cl
Mg
Cl
Fe
Fe
Fe₂O₃
ferric oxide
O
O
O
H-Bond
O
H
H-Bond
O
H
H
H
H-Bond
H-Bond
H
O
H
O
H-Bond
H
H