Answer:
3 regions of high electronic density
2 simple links
1 double bond
Explanation:
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First we calculate the total valence electrons that make up the molecule (6 + 6 * 3 = 24)
We locate six electrons forming the bonds and complete the octecs with the remaining 18 electrons.
We move 2 electrons of an oxygen to complete the sulfur octet.
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There are 3 regions of high electronic density
2 simple links, 1 double bond
In SO₃ molecule, the valency for sulphur atom is 6 while for oxygen also its 6.Thus,
Total valance electrons= (6 + 6 * 3 = 24)
The molecular geometry of SO₃ molecule is trigonal planar. It does not follow octet rule, because it forms three double bonds with oxygen atoms, and thus, has 6+ 6(obtained from oxygen atoms)=12 electrons.
The Lewis structure is attached below:
Find more information about Valency here:
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