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Which of the following statements is not...

Which of the following statements is not correct for the periodic classification of elements?

A

The properties of elements are the periodic functions of their atoms numbers.

B

Non-metallic elements are lesser in number than metallic elements.

C

The first ionisation energies of elements along a period do not vary in a regular manner with the increase in atomic number.

D

For transtion elements the d-subshells are filled with electrons monotonically with the increase in atomic number.

Text Solution

Verified by Experts

The correct Answer is:
D
Option (d) is incorrect because for transition elements, the d-subshells are filled with electrons regularly with increase in atomic number.
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