Question

Explain the term valency.​

Answer 1

Answer:

a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or take the place of

Answer 2

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• Valency is the number of particular atoms combined with or displaced with another atom to form a compound. Water which is H 2O, two atoms of hydrogen combine with one atom of oxygen. The valency of oxygen is 2, because it needs two atoms of hydrogen to form water.