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 2 years ago
which of the electron configuration below represent elements in the same family?
[He]2s^2
[Ne] 3s^1
[Ne] 3s^2
[Ne] 3s^2 3p^3
[[Ar]4s^` 3d^10
[Ar] 4s^1 3d^10 4p^6
[Ar] 4s^2 3d^10 4p^3
[Kr] 5s^1 4d^10
homework question! absent on the day of the lesson! very confused!
 2 years ago
which of the electron configuration below represent elements in the same family? [He]2s^2 [Ne] 3s^1 [Ne] 3s^2 [Ne] 3s^2 3p^3 [[Ar]4s^` 3d^10 [Ar] 4s^1 3d^10 4p^6 [Ar] 4s^2 3d^10 4p^3 [Kr] 5s^1 4d^10 homework question! absent on the day of the lesson! very confused!

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Preetha
 2 years ago
Best ResponseYou've already chosen the best response.0Look for two atoms that have the same outer electronic configuration. Ignore the inner orbitals like d.

rayhanag
 2 years ago
Best ResponseYou've already chosen the best response.0so which one would it be?

Preetha
 2 years ago
Best ResponseYou've already chosen the best response.0Ray, I want you to look at the configurations. [He]2s^2 [Ne] 3s^1 have different outer electronic configs, so they are not the answer. One has 2 outer electrons and one has 1. Now go down the list.
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