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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.

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709