Chemistry > 2011 > 6
JAMB UTME
Which of the following statements is correct about the periodic table?
A.
None-metallic properties of the element tend to decrease across each period
B.
The valence electrons of the elements increase progressively across the period
C.
Elements in the same group have the same number of electron shell
D.
Element in the same period have the same number of valence electrons
Answer: B
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