Chemistry > 2000 > 9
JAMB UTME
Which of the following statement is correct about the periodic table?
A.
Elements in the same period have the same number of valence electrons
B.
The valence electron of the element in the same period increase progressively across the period
C.
Element in the same group have the same number of electron shells
D.
the non-metalic properties of the elements tend to decrease across each period
Answer: B
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