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Use the periodic table to determine the electron configuration for aluminum (Al) and arsenic (As) in noble-gas notation.

Al:

[Ar]3s23p1

[He]2s22p63s23p1

[Ne]3s23p1

[Ne]3s23p2

2 Answers

3 votes

Answer:

C

Step-by-step explanation:

User Levenshtein
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4 votes

Answer:

C

Step-by-step explanation:

[Ne]3s23p1

User Anuj Choudhary
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4.4k points