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(i) Write the electron dot structure for...

(i) Write the electron dot structure for sodium, oxygen and magnesium.
(ii) Show the formation of `Na_(2)O` and `MgO` by the transfer of electrons.
(iii) What are the ions present in these compounds.

Text Solution

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a) Sodium has one electron in the outermost shell while oxygen has six. To complete its octet. Oxygen needs two more electrons. But to complete the octet, sodium loses one electron. In order to equalise the number of electrons lost and gained, two atoms of sodium combine with one atom of oxygen. The formation of `Na_2O` is shown below

b) Bronze is made up of copper and tin.
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