MEDIUM
11th CBSE
IMPORTANT
Earn 100

How can you say that electron is a universal constituent of all atoms ?

Important Questions on Structure of Atom

HARD
11th CBSE
IMPORTANT
Give experiments to show that: Cathode rays carry negative charge.
HARD
11th CBSE
IMPORTANT
Give the experiments to show that; Cathode rays consist of material particles.
HARD
11th CBSE
IMPORTANT
How was proton discovered ?
HARD
11th CBSE
IMPORTANT
What is Thomson's model of atom ?
HARD
11th CBSE
IMPORTANT
How can you say that nucleus is small in size but heavy in mass ?
HARD
11th CBSE
IMPORTANT
Who discovered neutron and how ?
MEDIUM
11th CBSE
IMPORTANT
Define 'Atomic number' and 'Mass number'.
MEDIUM
11th CBSE
IMPORTANT
What are isotopes? How are they represented?