Which group of elements is analogous to the lanthanides?
A
Halides
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B
Actinides
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C
Chalcogenides
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D
Borides
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Solution
The correct option is A Actinides Halides are 17th group elements. Borides are 13th group elements. Chalcogenides are 16th group elements. Actinides and lanthanides both constitute f-blocks so