WorksheetsNaming and Writing formulas for Ionic compounds 3 - Post
Total questions: 9
Worksheet time: 10mins
Name
Class
Date
1.
The Lewis structure shown is for the polyatomic ion
a)
sulfate
b)
sulfite
c)
sulfide
d)
sulfur trioxide
2.
Insert subscripts to write the correct formula for potassium sulfate.
a)
1; 2
b)
2 ; 4
c)
1 ; 4
d)
2 ; 4
3.
The elements X and Y combine to form the ionic compound XY2. What are the likely charges of X and Y?
a)
X = +2, Y = -1
b)
X = +2, Y = -2
c)
X = +1, Y = -2
d)
X = -2, Y = +1
4.
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
5.
The formula of calcium phosphate is
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
6.
The chemical compound for sodium phosphate would be:
a)
NaPO4
b)
Na2PO4
c)
Na3PO4
d)
Na(PO4)3
7.
Which of the following is the chemical formula for the Lithium Phosphate
a)
LiPO4
b)
Li2PO4
c)
Li(PO4)2
d)
Li(PO4)2
8.
Which of the following is the chemical formula for Copper(II)Phosphate
a)
Cu2(PO4)
b)
CuPO3
c)
CuPO4
9.
Which of the following is the chemical formula for the ionic compound Chromium(III) Nitrite
a)
CrNO3
b)
Cr(NO3)2
c)
Cr2NO3
d)
CrN
100 %
