Home Chemistry Classification of Elements and Periodicity Extended or Long form of Periodic Table The fundamental basis of the present-day Per…
Chemistry Classification of Elements and Periodicity Extended or Long form of Periodic Table Single Correct MCQ
Published on: August 14, 2026

The fundamental basis of the present-day Periodic Table is that elements are

A
Arranged in the order of increasing atomic weights
B
Grouped according to chemical properties
C
Arranged in the order of increasing number of neutrons in the atomic nucleus
D
Arranged in the order of increasing number of protons in the nucleus

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The correct answer is:
D
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