EASY
9th CBSE
IMPORTANT
Earn 100

What is the nature of charge on cathode rays ?

Important Questions on Structure of the Atom

EASY
9th CBSE
IMPORTANT

Name the negatively charged particle present in the atoms of all the elements.

EASY
9th CBSE
IMPORTANT

Define electron.

MEDIUM
9th CBSE
IMPORTANT
What are the actual values of charge and mass of the electron ?
EASY
9th CBSE
IMPORTANT

Name the scientist who discovered electron.

EASY
9th CBSE
IMPORTANT

What are canal rays?

EASY
9th CBSE
IMPORTANT
Name the positively charged particle present in the atoms of all the elements.
EASY
9th CBSE
IMPORTANT

Define proton.

EASY
9th CBSE
IMPORTANT
State the mass and charge of proton.