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What is the noble gas configuration for silicon?
OA [Ne] 3s^2 3p^1
OB. [Ar] 4s^1
OC [Kr]5s^1
OD. [Ne] 3s^2 3p^2

Sagot :

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Answer:

D

Explanation:

Silicon, element number 14 is the fourth element in the third period in the periodic table. Its electronic configuration is 1s^2 2s^2 2p^6 3s^2 3p^2.

The elemental symbol of the previous noble gas preceding the atom is replaced by the arrangement of the remaining electrons to form a noble gas configuration of an atom.

So for Silicon, we substitute [Ne] 1s^2 2s^2 2p^6 and the noble gas configuration can now be [Ne] 3s^2 3p^2.

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