NCERT Based Test: Genesis of Periodic Classification - Free MCQ with solutions

It helped in correcting the atomic masses of some of the elements

He predicted the properties of some undiscovered elements and left gaps for them

He framed the periodic table with vertical and horizontal columns and gave shape to it

He gave separate places to isotopes in his periodic table

(i), (ii) and (iii)

(i), (ii), (iii) and (iv)

(ii) and (iv)

(i), (iii) and (iv)

Every eighth element had properties similar to the first element

Every third element had properties similar to the first element

The properties of the middle element were in between the other two members

The properties of the elements were repeated after regular intervals of 3, 4 or 8 elements

Rutherford and Moseley

Alexander Newlands and Dobereiner

Dmitri Mendeleev and Lothar Meyer

De Broglie and Neil Bohr

There is no correlation in the properties and atomic weights of the elements

The properties of the elements are a periodic function of their atomic numbers

The properties of the elements are a periodic function of their atomic weights

The properties of the elements are a periodic function of their empirical formula