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Worksheets

Ionic Formulas & Naming

Total questions: 30

Worksheet time: 54mins

Name
Class
Date
1.
How many valence electrons does Hydrogen have?
a)
1
b)
2
c)
3
d)
4
2.
How many valence electrons does Carbon have?
a)
4
b)
12
c)
6
d)
14
3.
How many valence electrons does Sulfur
a)
16
b)
32
c)
6
d)
3
4.
How many valence electrons does Krypton have?
a)
36
b)
18
c)
8
d)
4
5.
This could be the dot diagram of
a)
Be
b)
B
c)
C
d)
Ne
6.
This could be the dot diagram of
a)
P
b)
Ar
c)
Na
d)
B
7.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
8.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodic table.
d)
nonmetals
9.
What will nitrogen's charge be as an ion?
a)
+3
b)
-3
c)
0
d)
-1
10.
What is the charge does a sodium ion have?
a)
+2
b)
+1
c)
-1
d)
-2
11.
When an atom loses a valence electron, it becomes a_____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
12.
Negative ions form when atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
13.
What charge will an Oxygen ion have? 
a)
+1
b)
-1
c)
+2
d)
-2
14.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
15.
Magnesium becomes Mg+2 by
a)
losing two electrons
b)
gaining two electrons
16.
Boron will ____ valence electrons when forming an ionic bond.
a)
lose three
b)
gain three
c)
lose 5
d)
gain 5
17.

When metals bond with a non-metal they form what type of bonds

a)

covalent

b)

ionic

c)

cooperative

d)

lewis

18.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
19.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
20.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
21.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
22.

Name this compound:

Fe2O3

a)

Iron Oxide

b)

Iron Oxygen

c)

Iron (II) Oxide

d)

Iron (III) Oxide

23.

Name this compound:

AgF

a)

Silver (I) Fluoride

b)

Silver Fluorine

c)

Silver Fluoride

d)

Silver (I) Fluorine

24.

What is the formula for Magnesium Chloride?

a)

MgCl

b)

Mg2Cl

c)

MgCl2

25.

What is the formula for Magnesium Phosphide?

a)

Mg3P2

b)

Mg2P3

c)

Mg2P

d)

Mg3P

26.

In the compound TiO2, Titanium has a charge of

a)

+4

b)

+3

c)

+2

d)

+1

27.

Name this compound:

KF

a)

Potassium Fluoride

b)

Potassium Fluorite

c)

Fluorine Fluorine

d)

Potassium Fluorate

28.

Name the compound Na2O

a)

Sodium Oxide

b)

Sodium Dioxide

c)

Sodium Oxygen

d)

Sodium (I) Oxide

29.

The chemical formula for Barium Chloride is?

a)

BaCl

b)

BaCl2

c)

Ba2Cl

30.

What would be the chemical formula for combining Al3+ and Cl-1 :

a)

AlCl3

b)

Al3Cl

c)

AlCl

d)

Al3Cl3

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