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Worksheetsionic formulae
Total questions: 20
Worksheet time: 11mins
What is the formula for a magnesium ion?
Mg+
Mg2+
Mg2-
Mg-
What is the name of this ion? SO42-
sulfur tetroxide ion
sulfonate
sulfate
sulfide
Which is the correct formula for an ammonium ion?
NH4
NH4-
NH42+
NH4+
Which of the following is the correct formula for a sodium ion?
So+
Na-
Na+
Na2+
What is the formula for a nitrate ion?
NO-
NO2-
NO3-
NO4-
What is the formula for lithium bromide?
LiBr
LiBr2
Li2Br
Li2Br2
What is the formula for iron(II) oxide?
FeO2
FeO
Fe2O
Fe2O3
What is the formula for iron(III) chloride?
FeCl
Fe3Cl
FeCl2
FeCl3
What is the formula for aluminium hydroxide?
AlOH
AlOH3
Al(OH)3
(Al)3OH
The formula for sodium oxide is
NaO
Na2O
Na2O
NaO2
The formula for calcium oxide is
CaO
Ca2O2
CaO2
Ca(O)
The formula for ammonium sulfate is
(NH4)2S
NHSO4
NH42SO4
(NH4)2SO4
The formula for potassium chloride is
KCl
NaCl
K2O
K2CO3
The sum of the charges in an ionic compound should equal
zero 0
eachother
2
If the calcium ion is Ca2+, and calcium nitride is Ca3N2, then what is the charge on the nitride ion?
2-
3-
3+
none of these
The combination of Fe2+ ion and Cl- ion produce
FeCl4
FeCl
FeCl2
FeCl3
Na + and S -2 form
Na2S
NaS2
Na2S2
NaS
K + and N-3 form
KN
KN3
K3N3
K3N
Al3+ O2-
