EASY
8th CBSE
IMPORTANT
Earn 100

Who discovered neutrons? How was the discovery made?

Important Questions on Atomic Structure

MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 18
Why is a partially evacuated discharge tube taken for Thomson's experiment? 
MEDIUM
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 20
Name the isotopes of hydrogen and give the number of neutrons present in each of them.
EASY
8th CBSE
IMPORTANT
Pearson IIT Foundation Chemistry>Chapter 1 - Atomic Structure>PRACTICE QUESTIONS (CLASSROOM WING)>Q 21
What is the relative mass of proton with respect to hydrogen atom?
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?