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Chemical Bonding Lesson

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

What type of chemical bond happens when a non-metal shares electron with another non-metal?

a)

A. Atomic bond

b)

B. Covalent bond

c)

C. Electron bond

d)

D. Ionic bond

2.

During chemical bonding, Sodium (Na) transfers electron to chlorine(Cl) to form NaCl. Which of these correctly describes Sodium?

a)

A. Anion

b)

B. Cation

c)

C. Compound

d)

D. Non-metal

3.

The melting point of Sodium Fluoride (NaF) is 993˚C, while the Ammonia (NH3) has -78˚C. Which one is an example of an ionic bond?

a)

Sodium fluoride

b)

Ammonia

c)

Both of them

d)

Cannot be determined

4.

According to octet rule, how many electrons are needed in order to achieve stability of a non-metal?

a)

A. 2

b)

B. 4

c)

C. 6

d)

D. 8

5.

The compound calcium chloride, CaCl2,uses _______ bonds to hold the atoms together.

a)

metallic

b)

ionic

c)

covalent

d)

intrinsic

6.

A chemical bond where electrons are shared between two atoms. In this type of bond no ions are. You will find these bonds when carbon bonds to other elements.

a)

Covalent bond

b)

Element

c)

Hydrogen bond

7.

What type of bond is formed when two nonmetals share electrons?

a)

Ionic

b)

Covalent

8.

Which of the following statements is true with regards to bond?

a)

Ionic bonds and covalent bonds have exactly the same properties.

b)

Ionic bonds require positive and negative charges, while covalent bonds require the sharing of electrons.

c)

Ionic bonds require the sharing of electrons, while covalent bonds do not.

d)

Ionic bonds and covalent bonds both require the transfer of protons and occur primarily between nonmetals.

9.

Predict the bond that will form between Se and Cl.

a)

Ionic

b)

Covalent

10.

What is the correct term for "bond that forms between a metal and a nonmetal"?

a)

ionic bond

b)

metallic bond

c)

nonpolar covalent bond

d)

polar covalent bond

11.

The chemical bond that forms when electrons are shared is called:

a)

Ionic

b)

hydrogen

c)

covalent

12.

Predict the bond that will form between Se and Cl.

a)

Ionic

b)

Covalent

13.

When an atom loses or gains an electron it is called a(an)

a)

isotope

b)

compound

c)

ion

d)

molecule

14.

What is an iconic bond?

a)

nonmetal bonded with a nonmetal

b)

metal bonded with a nonmetal

15.

Ionic bonding is between

a)

Metals

b)

Non-metals

c)

Metal and non-metals

16.

Select the chemical formula for calcium nitride.

a)

Ca2N3\text{Ca}_2\text{N}_3  

b)

Ca3N2\text{Ca}_3\text{N}_2  

c)

Ca(NO3)2\text{Ca}\left(\text{NO}_3\right)_2  

d)

CaNO3 2\text{Ca}\text{NO}_{3\ 2}  

17.

To form the fluorine molecule, two fluorine atom needs to share ____ pair(s) of electrons.

a)

1

b)

2

c)

3

d)

4

18.

Most ionic compounds can conduct electricity

a)

True

b)

False

19.

Cations lose electrons to achieve the

(a)  

20.

Ionic Bonding involves...

a)

the transfer of protons

b)

the transfer of neutrons

c)

the transfer of electrons

d)

none of these choices

21.

What type of bond is formed when a metal donates electrons to a non-metal?

a)

A) Covalent bond

b)

B) Ionic bond

c)

C) Metallic bond

d)

D) Hydrogen bond

22.

Which of the following molecules is held together by covalent bonds?

a)

A) NaCl

b)

B) H2O

c)

C) MgO

d)

D) CaCl2

23.

In a polar covalent bond, electrons are:

a)

A) Shared equally between atoms

b)

B) Transferred completely from one atom to another

c)

C) Shared unequally between atoms

d)

D) Not involved in bonding

24.

Which of the following best describes a metallic bond?

a)

A) Electrons are shared between two non-metals

b)

B) Electrons are transferred from a metal to a non-metal

c)

C) Electrons are pooled and shared among many metal atoms

d)

D) Electrons are not involved in bonding

25.

What is the main reason ionic compounds have high melting points?

a)

A) Strong covalent bonds

b)

B) Strong electrostatic forces between ions

c)

C) Weak van der Waals forces

d)

D) Weak hydrogen bonds