8RB Group D 23-Sep-2018 Shift 1 Solved Paper

Question : 14 of 100

Marks: +1, -0

Ce-58 is a member of.............block of elements.

Solution:

Cerium is a chemical element and atomic number

58 .

since the elements from Ce to Lu

(58

to 71

)

consist of the lanthanide series which belong to the

4 {f}

series, therefore, Ce-58 is a member of f-block of the periodic table.

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