3
AssignmentMultiple Choice

Electrons and the Periodic Table

Question 3 • TN-Physical Science SC 26-27 (For Credit)

Argon (Ar): [Ne]3s23p6

Answer
A
longhand notation
B
noble-gas notation

Explanation

The notation [Ne]3s²3p⁶ uses [Ne] to stand for argon’s inner-shell electrons, then shows the remaining electrons explicitly. This abbreviated form is called noble-gas notation, so the correct choice is noble-gas notation.

AI-written and checked against the verified answer.

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