Question

what noble gas has the same electron configuration as ca2+

Answer 1

Argon has same electronic confriguration as ca2+

Answer 2

hey friend ...
here is yout answer...

the electronic configuration of ca2+is

atomic no. =20-2=18

1s^2 2s^2 2p^6 3s^2 3p^6

which is same as argon ...which have same electronic configuration....and atomic no.

so ur answer is ARGON....♥♥♥♥

HOPE IT WILL HELP YOU
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BY silu12@
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