Question 1:
(i) Write the electron-dot structures for sodium, oxygen and magnesium.
(ii) Show the formation of Na2O and MgO by the transfer of electrons.
(iii) What are the ions present in these compounds?
Answer
(i) The representation of elements with valence electrons as dots around the
elements is referred to as electron-dot structure for elements.
(iii) The ions present in Na2O are Na+ and O2− ions and in MgO are Mg2+ and O2−
ions.
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