Question

Based on the valency of Oxygen and hydrogen, explain how water molecule is formed. Is it a covalent compound or an ionic compound?​

Answer 1

Answer:

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. ... Magnesium has valency equal to 2 + because the electronic configuration of Mg is [2,8,2].

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