How many lone pairs are on the central atom in bcl3? express your answer numerically as an integer?

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10-11-2017
Chemistry

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How many lone pairs are on the central atom in bcl3? express your answer numerically as an integer?

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barnuts barnuts · Answer 1 · 2017-11-21T01:14:34+01:00

barnuts barnuts

21-11-2017

If we draw the lewis structure, we can see that all Cl atoms are all connected to the B atom. Now Cl atoms has 7 electrons each on its outermost shell while B can donate 3 electrons. So by octet rule, each Cl will gain 1 electron each from the B atom. From the Lewis structure, we can see that there are actually No Lone pairs on the central atom.

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