Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Chemistry Classification of Elements and Periodicity in Properties
The statement that is correct for the periodic classification of elements is :
1
The properties of elements are the periodic function of their atomic numbers.
2
Non - metalllic elements are lesser in number than metallic elements.
3
The first ionization energies of elements along a period do not vary in a regular manner with increase in atomic number.
4
All the statements are correct