EASY
8th CBSE
IMPORTANT
Earn 100

What is the relative mass of proton with respect to hydrogen atom?

Important Questions on Atomic Structure

MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 22
Which experiment led to the discovery of nucleus?
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 23
Give the mass and charge of an electron, a proton and a neutron in kg and coulombs, respectively.
HARD
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 24
Explain Thomson's atomic model. What are the drawbacks of this model?
EASY
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 25
An atom X is made up of 20 protons and 20 neutrons. Represent the atom with atomic number and mass number.
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 26
Why does chlorine have fractional atomic mass?
HARD
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 26
ZnS screen used in α-ray scattering experiment was spherical in shape. How would you justify it?
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 27
How did Bohr explain the stability of an atom?
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 28
Give the postulates of Dalton atomic theory.