WAEC Chemistry 2013 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Chemistry 2013 Objective paper, with the correct answer and a full explanation.
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In the periodic table, all the elements within the same group have the same
- A. number of neutrons
- B. number of valence electronsCorrect
- C. number of isotopes
- D. atomic number
Explanation
All the elements in a particular group have the same number of electrons in their outermost shell, i.e. they have equal valence electrons.
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