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Atomic Structure and Valency Quiz

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What is the relationship between the number of valence electrons and valency?

Valency is the number of valence electrons

Valency is unrelated to the number of valence electrons

They are equal

Valency is determined by the number of valence electrons involved in bonding (correct)

What is meant by atomic mass number?

It is the total mass of an atom

It is the average mass of all isotopes of an element

It is the sum of protons, neutrons, and electrons in an atom

It is the sum of protons and neutrons in an atom (correct)

What is meant by a subatomic particle?

A particle that makes up an atom (correct)

A particle found within the nucleus of an atom

A particle with no electrical charge

A particle smaller than an atom

Atomic Structure and Valency Quiz

Choose a study mode

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Questions and Answers

What is the relationship between the number of valence electrons and valency?

What is meant by atomic mass number?

What is meant by a subatomic particle?

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