Physics, asked by soniabhijitgupta, 7 months ago

How to find valency of an atom? Find of water.

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Answered by PrincessPalak

Answer:

In the water molecule oxygen combines with two hydrogens and so has a valency of 2. A simple diagram of a water molecule makes this plain. The hydrogen atoms are each sharing one pair of electrons - they have a valency of 1. The oxygen atom is sharing two pairs of electrons - it has a valency of 2.

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