HARD
8th ICSE
IMPORTANT
Earn 100

Explain Rutherford's alpha ray scattering experiment with the help of a diagram.

Important Questions on Atomic Structure

EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q A
_____ rays were made up of negatively charged particles.
EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q A
_____ rays were made of a positively charged particles.
EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q C
An atomic number of an atom is represented by ______.
EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q C
What will be the atomic number of an atom if it has 18 electrons and 22 neutrons?
EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q D
Anode rays are made up of negatively charged particles.
MEDIUM
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q D
Planetary model of an atom explains the stability of the atom.
EASY
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q D
Neutrons are present in the nucleus of an atom.
MEDIUM
8th ICSE
IMPORTANT
Unravelling Science Chemistry>Chapter 2 - Atomic Structure>Exercise>Q G

Give reason for the following:

Plum-pudding model was not accepted.