alleryStart learning →In the long form of the periodic classification, transition elements occupy which groups?
AGroups 1 and 2
BGroups 13 to 18
CGroups 3 to 12
DGroups 3 to 10 only
Answer & Solution
Correct answer: C. Groups 3 to 12
The d block lies between the s block and p block, spanning groups 3 to 12 in periods 4 to 7.
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