Science, asked by Sadhana7, 8 months ago

Please answer...the question is attached below...

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Answers

Answered by umahamsa3

1

Explanation:

X

atomic number-5

valency-3

Y

atomic number-8

valency-2

Z

atomic number- 15

valency-3

Answered by Shiva9084

1

Answer:

Atomic no.s are 6,10,16

Valency 5,2,3

These can find out

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