Oxygen has 6 electrons in its valence shell so its valency is ______?
Oxygen has 6 electrons in its valence shell so its valency is ______?
آکسیجن میں اس کے والینس شیل میں 6 الیکٹران ہیں لہذا اس کی تندرستی ______ ہے؟
Explanation
Valency is the number of electrons an atom gains, loses, or shares to complete its octet.Oxygen has 6 valence electrons and needs 2 more to complete its octet, so its valency is 2.