Chemistry, asked by evin3843, 10 months ago

The electronic configuration of two elements X and Y are given below: X= 1s2, 2s2, 2p6, 3s2, 3p6, 4s2 and 1s2, 2s2, 2p6, 3s2, 3p5

Answers

Answered by gamingrishabh722

0

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Answered by parulgoyal004

0

Answer:

X is calcium (Atomic no. 20)

and

y is Chlorine (Atomic no. 17)

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