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Which of the following statement is correct about the periodic table?

Chemistry
JAMB 2000

Which of the following statement is correct about the periodic table?

  • A. Elements in the same period have the same number of valency electron
  • B. The valence electron of the elements in the same period increase progressively across the period
  • C. Elements in the same group have the same number of electron shells
  • D. The non-metallic properties of the elements tend to decrease across each period
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Correct Answer: Option B
Explanation

The valence electron of the elements in the same period increase progressively across the period due to an increase in atomic number

There is an explanation video available below.

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Explanation Video

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