PRACTICE MCQ'S PHYSICS - THE PERIODIC TABLE - CLASS 10

THE PERIODIC TABLE

As the number of elements increased. there is eed to classify elements based on their characters.

Johann Wolfgang Döbereiner

John Newlands

Mendeleeff's

H J Mosley 

Played an important role in Classifying elements.

Tags: Periodic table, Dobereiner, John Newlands, Mendeleeff's, H J Mosley, atomic weight, atomic number. eka boron, eka aluminium, eka silicon.