Periodic Classification of Elements and Periodicity

Choose the correct options for the following questions.

Who started the development of the First Periodic Table?

Difficulty: Easy

A:

Antoine Becquerel

B:

Dimitri Mendeleev

C:

John Newlands

D:

Robert Boyle

Hydration energy increases with

Difficulty: Easy

A:

High charge density

B:

Size of the atom

C:

Distance between nucleus and outer most electron

D:

None of these