Covalent Bonds and Their Properties

Covalent Bonds and Their Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains covalent bonds, a type of chemical bond where atoms share valence electrons to achieve stability, unlike ionic bonds where electrons are transferred. The video covers the octet rule, electronegativity, and examples of covalent bonds in chlorine and oxygen atoms. It also discusses the notation for single and double bonds and highlights the variety of compounds formed through covalent bonding, such as water, carbon dioxide, and proteins. The tutorial concludes with a note on the importance of carbon in forming complex compounds.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between covalent and ionic bonds?

Covalent bonds involve sharing electrons, while ionic bonds involve the transfer.

Covalent bonds involve the transfer of electrons, while ionic bonds involve sharing.

Covalent bonds are weaker than ionic bonds.

Covalent bonds occur between metals, while ionic bonds occur between non-metals.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'octet rule' refer to in chemistry?

Atoms need 8 electrons in their outer shell to be stable.

Atoms need 8 protons in their nucleus to be stable.

Atoms need 8 bonds to be stable.

Atoms need 8 neutrons in their nucleus to be stable.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do chlorine atoms prefer to form covalent bonds?

They have a full outer shell.

They have a low electronegativity.

They are one electron short of a full outer shell.

They can easily lose electrons.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a single bond in terms of electron sharing?

No sharing of electrons.

Sharing of three pairs of electrons.

Sharing of one pair of electrons.

Sharing of two pairs of electrons.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is a double bond represented in chemical notation?

With three dashes.

With a single dash.

With two dashes, like an equal sign.

With a dot.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a compound formed by covalent bonds?

Sodium chloride (NaCl)

Carbon dioxide (CO2)

Water (H2O)

Ethanol (C2H5OH)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a result of covalent bonding?

Formation of ionic crystals.

Formation of salts.

Formation of complex organic molecules.

Formation of metals.

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