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WorksheetsWriting Formulas Quiz
Total questions: 10
Worksheet time: 40mins
Name
Class
Date
1.
What is the charge for a nitrogen ion?
a)
+1
b)
+3
c)
-1
d)
-3
2.
What is the charge for a calcium ion?
a)
+2
b)
-2
c)
+1
d)
-1
3.
What is the correct formula for magnesium fluoride?
a)
b)
c)
d)
4.
What is the correct formula for sodium oxide?
a)
b)
c)
d)
5.
What is the correct formula for dinitrogen tetroxide?
a)
N₃O₃
b)
(N₂)₂(O₄)₃
c)
N₂O₄
d)
N₄O₂
6.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
7.
The chemical formula of magnesium hydroxide is
a)
MgOH₂
b)
Mg(OH)₂
c)
Mg(OH)
d)
MgH₂
8.
The chemical formula of Iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
9.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
10.
The chemical compound for sodium phosphate would be:
a)
NaPO4
b)
Na2PO4
c)
Na3PO4
d)
Na(PO4)3
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