Igcse Model Questions Vol1 2024 Chemistry Question 3

Practice essay / theory question 3 from the 2024 Igcse Model Questions Vol1 Chemistry examination. This question covers Chemical Bonding, Lewis structures, VSEPR theory, Molecular polarity .

Igcse Model Questions Vol1 2024 Chemistry Essay / Theory
Topics: Chemical Bonding Lewis structures VSEPR theory Molecular polarity
Question 3 IGCSE_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • essay

The diagram shows the Lewis structure of a molecule of ammonia (NH₃).

Question Parts

( a )
State the type of chemical bond(s) that exist between the nitrogen and hydrogen atoms.
( b )
How many lone pairs of electrons are present on the nitrogen atom?
( c )
Using VSEPR theory, predict the molecular geometry of NH₃ and give the approximate H–N–H bond angle.
( d )
Explain whether the NH₃ molecule is polar or non‑polar, giving a clear justification.

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About This Question

This is Igcse Model Questions Vol1 2024 Chemistry Question 3. It is one of the essay questions from the 2024 Igcse Model Questions Vol1 Chemistry examination.

The question covers Chemical Bonding, Lewis structures, VSEPR theory, Molecular polarity .

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