Electronegativity and Bonding Concepts

Electronegativity and Bonding Concepts

Assessment

Interactive Video

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial by Mr. Sapone covers the concept of electronegativity and its role in determining bond types and molecular polarity. It explains how electronegativity varies across the periodic table and how this affects the formation of polar and nonpolar molecules. The tutorial also delves into the specific cases of water and carbon dioxide, illustrating how molecular shape influences polarity. Additionally, it provides a detailed explanation of how to determine bond types based on electronegativity differences, using examples like aluminum chloride and sodium chloride.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of bond is formed between aluminum and chlorine in aluminum chloride?

Covalent bond

Metallic bond

Ionic bond

Hydrogen bond

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As you move down a group in the periodic table, what happens to electronegativity?

It remains constant

It fluctuates randomly

It increases

It decreases

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule is an example of a polar molecule due to electronegativity differences?

Water

Carbon dioxide

Hydrogen

Oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electronegativity difference threshold above which a bond is considered ionic?

2.5

2.0

1.5

1.0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In sodium chloride, which element has a higher electronegativity?

Sodium

Both have the same

Chlorine

Cannot be determined

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is carbon dioxide considered a nonpolar molecule despite having polar bonds?

Because it is a gas

Because it is linear

Because it is bent

Because it has equal electronegativity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shape does water have that contributes to its polarity?

Trigonal planar

Linear

Tetrahedral

Bent

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