MEDIUM
9th CBSE
IMPORTANT
Earn 100

Describe the observations in α-particle scattering experiment which led Rutherford to make the following conclusions: Nucleus is positively charged.

Important Questions on Structure of the Atom

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 4
Describe the observations in α-particle scattering experiment which led Rutherford to make the following conclusions: Almost the entire mass of an atom is present in the nucleus of atom.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 4
Describe the observations in α-particle scattering experiment which led Rutherford to make the following conclusions: Most of the space in an atom is empty.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 5
Define isotope. What are the characteristics of isotopes? How do isotopes differ from isobars?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 6
Describe the essential features of cathode rays and canal rays. 
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 7
What happens when cathode rays are passed through an electric field between two parallel plates? Is it possible to determine the charge on the particles of cathode rays?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 8
Describe Thomson's model of atom. Why was it rejected?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 9
Describe Rutherford's model of an atom.
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 10
Describe the experiment which led to the discovery of nucleus.