Chemistry, asked by sy45764, 7 months ago

Which of the following elements shows variable valency? i. Carbon ii. Sodium iii. Nickel iv. Helium

Answers

Answered by mayurkhanamk8628

2

Answer:

Sodium shows variable valency

Answered by deepesh123456goswami

2

Answer:

Ni it is a d block element because of the presence of vacant d orbital it show variable valency

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