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Write the electron dot structures for sodium oxygen and magnesium

Posted by Yogita Balhara 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 2 months ago

When the valence electrons are represented as dots circling the elements it is known as the elemental structure with electron –dot.

Thus for option i) we can write Sodium (2, 8, 1) = Na with one electron at the top. Again for Oxygen (2, 6) = O with two electrons each on three sides.

For Magnesium (2, 8, 2) = Mg with two electrons on the top.

The formation of Na₂0 and MgO can be written as Mg²⁺ + O₂ (2-).

In Na₂O, Na⁺ and O^2- ions are present and in MgO, Mg2= and O₂(2- ) ions are present.

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CBSE > Class 10 > Science