Worksheetsionic formulae
Total questions: 18
Worksheet time: 22mins
Name
Class
Date
1.
What is the formula for a magnesium ion?
a)
Mg+
b)
Mg2+
c)
Mg2-
d)
Mg-
2.
What is the name of this ion? SO42-
a)
sulfur tetroxide ion
b)
sulfonate
c)
sulfate
d)
sulfide
3.
Which of the following is the correct formula for a sodium ion?
a)
So+
b)
Na-
c)
Na+
d)
Na2+
4.
For the following group of ions, choose the 2 answers that contains ions with the wrong charge.
a)
Li+ K+ Ag+ H+
b)
Ca2+ Zn2+ Fe2+ Al2+
c)
Cl- Br- I- N-
d)
O2- S2- SO42- CO2-
5.
What is the formula for lithium bromide?
a)
LiBr
b)
LiBr2
c)
Li2Br
d)
Li2Br2
6.
What is the formula for iron(II) oxide?
a)
FeO2
b)
FeO
c)
Fe2O
d)
Fe2O3
7.
The formula of this atom when it becomes an ion would be
a)
N-2
b)
N+3
c)
N-3
d)
N+2
8.
An atom that has lost or gained electrons; an atom with a charge.
a)
cation
b)
anion
c)
isotope
d)
ion
9.
Na + and S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
10.
K + and N-3
a)
KN
b)
KN3
c)
K3N3
d)
K3N
11.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
12.
What is the NAME of....
Na2S
Na2S
a)
sodium (II) sulfide
b)
sodium sulfide
c)
disodium sulfide
d)
sodium sulfur
13.
What is the NAME of....
Mg3N2
Mg3N2
a)
magnesium (III) nitride
b)
magnesium (II) nitride
c)
magnesium (II) nitrogen
d)
magnesium nitride
14.
The charge on a barium ion in its ionic compounds is
a)
1+
b)
2+
c)
3+
d)
4+
15.
Name the following ionic compound: MgSO4
a)
magnesium (II) sulfide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium (II) sulfate
16.
When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..
a)
atomic number
b)
mass number
c)
charge
d)
ionization energy
17.
The sum of the charges in an ionic compound should equal
a)
zero 0
b)
eachother
c)
2
18.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
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