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Match the entries of List I with appropriate entries of List \( \Pi \) and
\( \mathrm{P} \) select the correct answer using the codes given below the lists:

W
List I List II
P. Rutherfordium (At. No. 1. Period number \( =7 \) \( =104) \)

Q. Roentgenium (At. No. \( = \) 2. Group number \( =4 \) 111)

R. Thorium (At. No. \( =90 \) ) 3. d-block elements
S. Neptunium (At. No. \( =93) \cdot \) 4. f-block elements
\( P \quad Q \quad R \quad S \)
a. \( 3 \quad 2,4 \quad 2,3 \quad 1,2,3 \)
b. \( 1,2,3 \quad 1,3 \quad 1,4 \quad 1,4 \)
c. \( 1,2 \quad 2,1 \quad 4,3 \quad 3,1 \)
d. \( \quad 3,1 \quad 1,3 \quad 2,4 \quad 4,1,2 \)
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