Chemistry, asked by sultanqureshiawara, 8 hours ago

How do you determine the valency of elements in a compound ? What are the steps involved in this process with an example Na20 ?

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Answered by mbhagyshree297

0

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I hope your answer please mark brainlist answer.

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Answered by itzmecutejennei

1

Answer:

The elements in a group tend to have similar physical and chemical properties because of their similar outer shell electron structure.

1. Valency of first group elements is 1 and that of oxygen is 2. Hence, oxide of first

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