WorksheetsCommon ions
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
All metal atoms form positive ions. True or false?
a)
True
b)
False
2.
Sodium is in group 1 of the Periodic Table. What is the formula of the ion?
a)
Na2-
b)
Na2+
c)
Na+
d)
Na-
3.
What is the formula of the ammonium ion?
a)
NH3
b)
NH3+
c)
NH2
d)
NH4+
4.
Silver is a transition metal. The formula of its most common ion is Ag2+. True or false?
a)
True
b)
False
5.
Sodium sulphate contains the Na+ion and the sulfate ion (SO42-). What is the formula for the compound?
a)
NaSO4
b)
Na(SO4)2
c)
Na2SO4
d)
NSO4
6.
How would you test for the sulfate ion?
a)
Add barium chloride and observe a white precipitate
b)
Flame test and observe a yellow flame
c)
Add silver nitrate and observe a white precipitate
d)
Add hydrochloric acid and bubble through limewater which goes cloudy
7.
What is the correct name for this compound? FeCO3
a)
Iron (III) carbonate
b)
Iron (II) carbonate
c)
Iron carbonate
d)
Iron carbonide
8.
What colour flame would you expect if a sample contained the Cu2+ ion?
a)
Yellow
b)
Red
c)
Lilac
d)
Blue
9.
What is the correct formula for the compound ammonium chloride?
a)
NH3Cl
b)
NH4Cl2
c)
NH4+Cl-
d)
NH4Cl
10.
What is the correct formula for the compound calcium fluoride?
a)
CaF
b)
CaFl2
c)
CaF2
d)
CaFl
100 %
