Chemistry
A ⟶ A+3; B ⟶ B-1
Number of electrons present in the outermost shell of atoms A and B respectively are:
- 5, 1
- 3, 1
- 3, 7
- 5, 7
Chemical Bonding
ICSE Sp 2024
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Answer
3, 7
Reason — A has donated three electrons from its outer most shell and has +3 charge. B had 7 electrons and has taken one electrons and has -1 charge.
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