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Covalent Bonding and Properties

Covalent Bonding and Properties

Assessment

Interactive Video

Chemistry, Science, Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explains covalent bonding, highlighting its directional nature and examples in molecules and solids. It discusses the varying strength of covalent bonds, using diamond and bismuth as examples, and explores the electrical and mechanical properties of covalently bonded compounds, noting their insulating and semiconducting characteristics.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of covalent bonds?

They are non-directional.

They are directional and occur between specific atoms.

They involve the transfer of electrons.

They are only found in metals.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a covalently bonded molecule?

Methane

Sodium chloride

Calcium carbonate

Iron oxide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which type of solids is covalent bonding commonly found?

Metallic solids

Ionic solids

Amorphous solids

Elemental solids like diamond

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements is not typically associated with covalent bonding in elemental solids?

Carbon

Silicon

Gallium

Sodium

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the melting point of diamond, a substance with strong covalent bonds?

3550 degrees centigrade

1000 degrees centigrade

500 degrees centigrade

270 degrees centigrade

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element has weak covalent bonds and a low melting point?

Silicon

Bismuth

Carbon

Germanium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common property of most covalently bonded compounds?

They are always flexible.

They are always brittle.

They are typically electrical insulators.

They are good conductors of electricity.

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