An element with Z = 60 belongs to ……group……..period and ………block of modern periodic table

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3, 6, f

4, 6, d

6, 6, p

8, 6, s

answer is A.

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Detailed Solution

Hints to predict the position of element in the Modern periodic table :

1)Elements from Z = 58-71……Lanthanoids…..4f series….6th period……3rd(IIIB) group;

2)Elements from Z = 90-103… Actinoids….. 5f series….7th period……3rd(IIIB) group;

Ce(Z=58), Pr(Z=59), Nd(Z=60), Pm(Z=61), Sm(Z=62), Eu(Z=63), Gd(Z=64) ;

Tb(Z=65), Dy(Z=66), Ho(Z=67), Er(Z=68), Tm(Z=69), Yb(Z=70), Lu(Z=71) ;

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