Question

State loss or gain of elactrons (giving their number) in the following changes :(i) N ⎯→ N3– (ii) Cl ⎯→ Cl– (iii) Cu ⎯→ Cu2+ (iv) Cr ⎯→ Cr3+

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

1. gain 0f 3 electrons.

2. gain of 1 electron.

3. loss of 2 electrons.

4. loss of 3 electrons.