Question

what will be the compound formed by element Y and Z?​

Answer 1

Answer:

the compound formed will be (Y17 Z12)

Answer 2

Answer:

Explanation:

Y has 12 protons so its atomic mass is 12       [No. of protons = Atomic no.]

Z has 17 protons so its atomic mass is 17

Electronic configuration of Y is 2,8,2

Electronic configuration of Z is 2,8,7

So Y has 2 valence electrons and its valency is 2+

Z has 7 valence electrons and its valency is -1

Compound formed will be YZ2

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