Chemistry-Periodic Table
NEET Chemistry Periodic Table MCQ Question
Type: MCQ-numerical-Easy-Class 11
How many elements are present in the 5th period of the Periodic Table, and why can this number of elements be accommodated?
A
18, because the available orbitals can hold a total of 18 electrons.
B
32, because the 5th period includes both d- and f-block elements.
C
8, because it has only s and p orbitals.
D
10, because it includes only s and d orbitals.
Correct Answer
Option A
Detailed Explanation
The 5th period has 18 elements because it includes 5s, 4d, and 5p orbitals, which can accommodate a total of 18 electrons.
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