Essential Chemistry for IGCSE - Structure And Bonding (Section 2 - No. 42)
What does the term 'valency' refer to?
The total number of electrons in an atom.
The number of protons in an atom.
The number of electrons an atom needs to gain or lose to achieve a stable configuration.
The number of neutrons in an atom.
Explanation
Valency describes the number of electrons an atom gains, loses, or shares to form chemical bonds.
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