Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The coordination number of a central atom in a molecules or crystal is the number of its nearest neighbours. The coordination number of sdium in `Na_2O` is - Sarthaks eConnect

The coordination number of a central atom in a molecules or crystal is the number of its nearest neighbours. The coordination number of sdium in `Na_2O` is

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In `Na_2O, Na^+` is surrounded by 4 ion. Four oxide ion it has antifluorine structure