Question

# The number of elements in 5th and 6th period of periodic table are respectively:

A
8, 18
B
18, 18
C
18, 32
D
18, 28

Solution

## The correct option is C 18, 32The first period consists of only two elements – Hydrogen and Helium. The 2nd and 3rd period consists of 8 elements each. On the other hand, the 4th and 5th consists of 18 elements each while the sixth period consists of 32 elements.Hence, the correct option is $$\text{C}$$Chemistry

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