Question

what are ions present in these compounds?
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Answer 1

Answer:

Explanation:

The oppositely charged sodium ion, Na+ and oxide ion, O2- are now held together by electrostatic force of attraction or by ionic or electrovalent bond. Na2O is, therefore, an ionic or electrovalent compound. ... The ions present in MgO are magnesium ion (Mg 2 +) and oxide ion O2- .

Answer 2

Hey there this is your answer...!!!

The oppositely charged sodium ion, Na+ and oxide ion, O2- are now held together by electrostatic force of attraction or by ionic or electrovalent bond. Na2O is, therefore, an ionic or electrovalent compound. ... The ions present in MgO are magnesium ion (Mg 2 +) and oxide ion O2-

hope this helps you...!!!