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Model Paper 3 — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETModel Paper 34 Marks
Question
Macth the Column I with Column II and select the correct answer using given codes.
Column IColumn II
A. 3d-transition series1. Cerium (Z = 58)
B. 4d-transition series2. Actinium (Z = 89)
C. 4f-inner transition series3. Zinc (Z = 30)
D. 5f-inner transition4.Yttrium (Z = 39)
Image
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Answer

(D)
The correct match is
$
A \rightarrow 2 ; B \rightarrow 3 ; C \rightarrow 1 ; D \rightarrow 2 .
$
14 elements of both sixth period [from $Z=58$ to $Z=$ 71] and seventh period [from $Z=90$ to $Z=103$ ] are known as lanthanoids and activoids respectively.

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