Molecular Geometry and Electron Pair Repulsion Quiz

Molecular Geometry and Electron Pair Repulsion Quiz

10 Qs

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Molecular Geometry and Electron Pair Repulsion Quiz

Molecular Geometry and Electron Pair Repulsion Quiz

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Ahmed Nour

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the VSEPR theory, what primary factor determines the bond angles in a molecule?
Atomic mass
Electron pair repulsion
Molecular weight
Electronegativity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule has the largest bond angle according to the provided data?
Methane (CH4)
Ammonia (NH3)
Water (H2O)
Carbon dioxide (CO2)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the number of lone pairs increases in a central atom, what happens to the bond angles?
Angles increase
Angles remain constant
Angles decrease
Angles become unpredictable

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do lone pairs cause a reduction in bond angles?
They add mass to the molecule
They create increased repulsion forces
They change electron configuration
They reduce molecular stability

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the methane (CH4) molecule, how many lone pairs are present?
0
1
2
3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the bond angle in the ammonia (NH3) molecule?
107°
109.5°
105°
180°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule demonstrates the most significant reduction in bond angle due to lone pairs?
Methane
Ammonia
Water
Carbon dioxide

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