Chemistry > 2012 > 6

WASSCE

Two elements, X and Y are in the same group on the periodic table because they both have the same

A.
number of electronic shells
B.
number of valence electrons
C.
atomic size
D.
atomic number

Answer: B

To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.

Similar Questions

Practice with the best CBT software

Learn with innovative tools and excel in your forth-coming exam