5.Which of the following species contains three bond pairs and one lone pair around the central atom?
BCl3
PCl3
H2O
BF3
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Answer:
PCI3
Explanation:
As we learnt in
Lewis structure -
1. pair of bonded electrons is by means of a dash (-) usually called a bond
2. Lone pairs or non-bonded electrons are represented by dots
3. Electron represent in the last shell of atoms are called valence electrons.
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