Chemistry, asked by vanshikavashuraj1267, 4 months ago

match the following ^^^​

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Answers

Answered by dilashaLimbu
1

Answer:

monovalent= sodium

divalent= oxygen

trivalent= aluminium

tetravalent= carbon

variable valency= iron

Explanation:

All u need to know is the valency of these elements. Iron has 2 valencies 2,3 which occur according to different conditions so variable valency for iron.

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