Elements which belong to the same group in the ... - WAEC Chemistry 2001 Question
Elements which belong to the same group in the Periodic Table are characterized by
A
difference of +1 in the oxidation numbers of successive members
B
presence of the same number of outermost electrons in the respective atoms
C
difference of 14 atomic mass units between successive members
D
presence of the same number of electron shells in the respective atoms
correct option: b
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