Science, asked by PASALKAR, 2 months ago

5) Which of the following elements exhibits valency 2 ?

a) Oxygen b) Sodium c) Aluminium d) Nitrogen

Answers

Answered by pilajidherange85

2

Answer:

Oxygen has valency 2

Explanation:

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Answered by Anonymous

0

Answer:

oxygen is the right answer

Explanation:

*oxygen is a divalent anion

*sodium is a monovalent cation

*aluminium is a trivalent cation

*nitrogen,I think,is a trivalent anion

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