Science, asked by deepakaryan12, 10 months ago

Please provide me answers

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Answered by divyajain12

1

Answer:

Element A ....valency 3 ... Group 13 ....example - Aluminium

Element B .....valency 4 ....Group 4 or Group 14....example - Carbon

Element C......valency 2 ....Group 2......example - Calcium

Explanation:

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