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Worksheets

Ions and Ionic Bonding

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is a Rubidium ion's symbol?

a)

Rb-

b)

Rb+

c)

Rb-2

d)

Rb+2

2.

Nitrogen will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

3.

Beryllium will ____ valence electrons when forming an ionic bond.

a)

lose 4

b)

gain 4

c)

lose 2

d)

gain 2

4.

If an atom has 3 valence electrons, what charge will it have as an ion?

a)

+3

b)

-3

c)

+5

d)

-5

5.

If an element gains 1 electron, what charge will it have?

a)

+1

b)

-1

c)

+7

d)

-7

6.

Group 17 always has ions with a charge of 

a)

+1

b)

+2

c)

-1

d)

-2

7.

If an ion has a positive charge you would __________ the charge number from the number of protons to figure out how many electrons there are.

a)

subtract

b)

add

c)

multiply

d)

divide

8.

What is the correct formula for aluminium oxide? Aluminium is in group 3 and oxygen is in group 6.

a)

Al₂O₃

b)

AlO

c)

AlO₄

d)

Al₂O

e)

Al₃O₂

9.

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

a)

There are 2 bromide ions for every magnesium ion

b)

Bromide has a 2- charge

c)

Bromide has a 2+ charge

d)

There are 2 magnesium ions to every bromide ion

10.

Write the formula for barium + nitrogen

a)

Ba2N3

b)

Ba3N2

c)

BaN

d)

BaN3

11.

Write the correct chemical formula for Ag +  and  Br -

a)

AgBr

b)

silver bromide

c)

Ag2Br2

d)

gold bromide

12.

What type of elements form cations?

a)

metals

b)

nonmetals

c)

metalloids?

13.

Which of the following ions is formed when an atom of chlorine gains an electron?

a)

Cl^+

b)

Cl^-

c)

Cl^2+

d)

Cl^2-

14.

What is the correct formula for the ionic compound formed between sodium and sulfur?

a)

NaS

b)

Na_2S

c)

NaS_2

d)

Na_2S_3

15.

In an ionic bond, electrons are:

a)

shared equally between atoms

b)

transferred from one atom to another

c)

shared unequally between atoms

d)

not involved in the bond