Which of the following statement is correct abo... - JAMB Chemistry 2000 Question
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
correct option: b
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