C l C d Covalent Compounds

C l Compounds
Covalent
C
d
Getting the formulas for covalent compound from their
names is relatively easy because each atom in the name should
h
have
a prefix
fi that
h tells
ll you the
h number
b off this
hi kind
ki d off atom in
i
the compound. The only exception is when the first atom has
no prefix.
prefix You should remember that when the first atom has no
prefix it is assumed to be mono- or a single atom.
C l Compounds
Covalent
C
d
Example 1:
Dinitrogen tetraoxide
N2 O4
Example 2:
Nitrogen dioxide
NO2
C l Compounds
Covalent
C
d
Problems to try:
Nitrogen triiodide
C b monoxide
Carbon
id
Carbon dioxide
Sulfur trioxide
Tetranitrogen tetraselinide
Diiodine pentaoxide
p
C l Compounds
Covalent
C
d
Problems to try:
Nitrogen triiodide
C b monoxide
Carbon
id
Carbon dioxide
Sulfur trioxide
Tetranitrogen tetraselinide
Diiodine ppentaoxide
NO3
CO
CO2
SO3
N4Se4
I2O5