Elements & Compounds Names Worksheet Page 2
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1
2
3P
Pt
S
Au
Cl
Hg
Ar
Pb
K
Cr
Ca
Ti
Pu
U
NAMING COMPOUNDS
PREFIX OR
MEANING
EXAMPLE
SUFFIX
Mono-
There is 1 atom of that type in
CO - Carbon monoxide
that molecule
Di-
There are 2 atoms of that type in
CO
- Carbon dioxide
2
the molecule
Bi-
Hydrogen is present in the
Na H CO
- Sodium
3
molecule
bicarbonate
Na Cl - Sodium chloride
-ide
There are only 2 types of atoms
present in the molecule
-ate
There are 3 or more types of
Ca CO
- Calcium
3
atoms in the molecule, and 1
carbonate
type is oxygen
VALENCY TABLE
1+
2+
3+
1-
2-
3-
1+
2+
3+
1-
2-
3-
H
Mg
Al
F
O
PO4
oxide
phosphate
1+
2+
3+
1-
2-
Na
Ca
Fe
Cl
S
ferric
sulphide
1+
2+
1-
2-
Li
Cu
Br
CO
3
carbonate
1+
2+
1-
2-
K
Zn
OH
SO
4
hydroxide
sulphate
1+
2+
1-
Ag
Pb
NO
3
nitrate
1+
2+
1-
NH
Fe
HCO
4
3
ammonium
ferrous
bicarbonate
EXAMPLES OF CHEMICAL COMPOUNDS
CHEMICAL FORMULA
CHEMICAL NAME
CO
2
CO
Na Cl
Cu O
Ag Br
K I
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