Which of the following group belongs to actinide series ?
Th, Pa, U
Ba, La, Hf
Ce Pr, Nd
Pt, Au, Ag

Question

Which of the following group belongs to actinide series -Th- Pa- UBa- La- HfCe Pr- NdPt- Au- Ag

Toppr Admin · Accepted Answer

Th-thorium- Pa-proactinium- and U-uranium- belongs to actinoid series-CePr-Nd are lanthanoids-Ba-La-Hf belongs to the sixth period-Pt-Au-Ag are transition elements-Hence- option A is correct-

Which of the following group belongs to actinide series ?Th, Pa, UBa, La, HfCe Pr, NdPt, Au, Ag

Th(thorium), Pa(proactinium) and U(uranium) belongs to actinoid series.CePr,Nd are lanthanoids.Ba,La,Hf belongs to the sixth period.Pt,Au,Ag are transition elements.Hence, option A is correct.

Which of the following group belongs to actinide series ?
Th, Pa, U
Ba, La, Hf
Ce Pr, Nd
Pt, Au, Ag

$T h (t h o r i u m)$ , $P a (p r o a c t i n i u m)$ and $U (u r a n i u m)$ belongs to actinoid series.

$C e P r, N d$ are lanthanoids.

$B a, L a, H f$ belongs to the sixth period.

$P t, A u, A g$ are transition elements.

Hence, option $A$ is correct.