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The elements that belong to the third period of the periodic table are?

Chemistry
JAMB 2007

The elements that belong to the third period of the periodic table are?

  • A. Li, Be, Al and P
  • B. Na, P, O and Cl
  • C. B, C, N and O
  • D. Na, Mg, S and Ar
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Correct Answer: Option D
Explanation

Elements in period 3 have 3 shells in their atomic structure.

These include elements from sodium to argon.

There is an explanation video available below.

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Explanation Video

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