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0205-W017(H) IONIC AND COVALENT BONDING WORKSHEET

Total questions: 21

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Explain the formation of covalent bonds.

a)

Two atoms share one or more pairs of electrons to form a covalent bond.

b)

Covalent bonds are formed by the attraction of opposite charges between two atoms.

c)

Two atoms repel each other to form a covalent bond.

d)

Covalent bonds are formed by the transfer of electrons between two atoms.

2.

Differentiate between ionic and covalent bonding.

a)

Ionic bonding involves the sharing of protons between atoms, while covalent bonding involves the transfer of protons from one atom to another.

b)

Ionic bonding involves the attraction between positively charged ions and negatively charged ions, while covalent bonding involves the attraction between two atoms sharing electrons.

c)

Ionic bonding involves the sharing of electrons between atoms, while covalent bonding involves the transfer of electrons from one atom to another.

d)

Ionic bonding involves the transfer of electrons from one atom to another, while covalent bonding involves the sharing of electrons between atoms.

3.

How do atoms achieve a stable electronic structure through covalent bonding?

a)

Releasing electrons to other atoms

b)

Absorbing electrons from other atoms

c)

Creating a magnetic field around the atom

d)

Sharing electrons with other atoms

4.

A bond between a metal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

5.

A bond between a nonmetal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

6.

Identify the following compound as ionic or covalent: MgO

a)

ionic

b)

covalent

7.

Identify the following compound as ionic or covalent: CF4

a)

ionic

b)

covalent

8.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
9.

Carbon and Oxygen will make a ___________ bond.

a)

ionic

b)

covalent

c)

metallic

10.

Sodium and Bromine will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

11.

Draw the electron arrangement in the outer shell for the fluorine molecule, F2

12.

Draw the electron arrangement in the outer shell for the carbon dioxide molecule, CO2

13.

Draw the electron arrangement in the outer shell for the potassium oxide, K2O

14.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
15.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
16.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
17.

What is a double bond?

a)

a bond between two atoms

b)

one pair of electrons shared between two atoms

c)

two pairs of electrons shared between two atoms

d)

three pairs of electrons shared between two atoms

18.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

19.

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

a)

electrons being shared

b)

electrons being transferred to Fluorine

c)

electrons being transferred to Lithium

d)

electrons being destroyed

20.

Which of the following is NOT a step in forming an ionic bond?

a)

One atom shares its electrons with another one

b)

Opposite charged ions form due to the transfer of electrons

c)

One atom gives electrons to another one

d)

Oppositely charged ions attract

21.

An ionic bond is the attraction between: (Select ALL that apply)

a)

oppositely charged ions

b)

similarly charged ions

c)

metals and nonmetals

d)

neutral atoms