Question
Chemistry Question on Periodic Table
The number of elements present in period 4th of long form of periodic table are
A
2
B
8
C
18
D
32
Answer
18
Explanation
Solution
The correct option is (C): 18
The number of elements present in period 4th of long form of periodic table are
2
8
18
32
18
The correct option is (C): 18