Chemistry, asked by awesomeraghav4141, 11 months ago

Give an example of three elements exhibiting variable valency.

Answers

Answered by raktimabanerjee70

1

Answer:

Explanation:

Element Symbol Valency

Copper Cu 1, 2

Silver Ag 1, 2

Mercury Hg 1, 2

Iron Fe 2, 3

Answered by adityajatin159

1

Answer

please thank me

Explanation:

carbon(4 to -4)

mangnese(6 or 7)

nitrogen(5 or -3)

please thank me

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