Question

What is the vanency of H2O

Answer 1

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$\bold{\longmapsto}$The total number of bonds that an atom has is called its valency. In the water molecule oxygen combines with two hydrogens and so has a valency of 2. The hydrogen atoms are each sharing one pair of electrons - they have a valency of 1.

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Answer 2

Answer:

The valency of H2O or Water is 2.

The total number of bonds that an atom has is called its valency. 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.

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