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In the periodic table all elements within the same group have the same

Chemistry
WAEC 2013

In the periodic table all elements within the same group have the same

  • A. number of neutrons
  • B. number of valence electrons
  • C. number of isotopes
  • D. atomic number
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Correct Answer: Option B
Explanation

The elements in the same group in the periodic table has the same number of electrons in the outer shell. That means, they have the same number of valence electrons.

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