Question

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Chemistry..✍ ⏫

Please Give The Correct Answer!

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Answer 1

Calcium valency is 2 since 2 valence electrons
Similarly element having atomic number 12 has a valency of 2 and 2 valence electons
Thus they belong to the same group and have same properties

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Answer 2

...........αиѕωєя...........

ELECTRONIC CONFIGURATION OF CALCIUM

=> 2,8,8,2 (At. no = 20)

It has '2' valance electrons.

NOW,

FROM THE GIVEN OPTIONS WE GOT THAT.

ELECTRONIC CONFIGURATION OF ELEMENT HAVING AT NO. 12

12=>2,8,2

ít αlѕσ hαѕ 2 vαlєncє єlєctrσnѕ.

nσw,

єlєctrσníc cσnfígurαtíσn σf єlєmєnt hαvíng αt nσ. 38

38=> 2,8,18,8,2

ít αlѕσ hαѕ 2 vαlαncє єlєctrσnѕ

hєncє,

єlєmєng hαvíng αtσmíc numвєr

12 αnd 38 αrє thє cσrrєct σptíσnѕ.

HΩPΣ IT MΔΨ βΣ

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