Define covalency. Give the covalency of oxygen in H 2 O.
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In a molecule of H2O , there are two atoms of Hydrogen and one atom of Oxygen . Each Hydrogen atom has 1 electron in its outermost shell . ... So , in total , oxygen shares two electrons and there are 4 electrons that take part in the covalent bond formation . So , the covalency of O in H2O is 2 .
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Covalency is the number of electronpairs an atom can share with other atoms. The total number of orbitals available in the valence shell is known as covalency..
The covalency of O in H2O is 2 ..
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