Question

which of the following are isoelectronic with each other?​

Answer 1

Answer:

ANSWER

Na⇒1s

2

,2s

2

2p

6

,3s

1

Na

+

⇒1s

2

,2s

2

2p

6

similarly for Mg

2+

⇒1s

2

,2s

2

2p

6

Na

+

,Mg

2+

, are isoelectronic species. They contain 10 electrons each.

S

2−

⇒1s

2

,2s

2

2p

6

,3s

2

3p

6

Ar⇒1s

2

,2s

2

2p

6

,3s

2

3p

6

K

+

⇒1s

2

,2s

2

2p

6

,3s

2

3p

6

Ca

2+

⇒1s

2

,2s

2

2p

6

,3s

2

3p

6

Ar,S

2−

,Ca

2+

andK

+

are isoelectronic species. They contain 18 electrons each

Explanation:

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