HARD
9th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram showing the production of cathode rays.

Important Questions on Structure of the Atom

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 2
Draw a labelled diagram showing the presence of charge on cathode rays in a discharge tube.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 3
Draw a picture of Thomson's model of atom.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 4
Draw a picture of Bohr's model of atom.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 1
Electrons hold the key to the chemical world. Our present-day understanding of 117 elements and their compounds rests primarily on the number of electrons present in the atoms of these elements and the electronic structures of their atoms.
What is the valence electron?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 1
Electrons hold the key to the chemical world. Our present-day understanding of 117 elements and their compounds rests primarily on the number of electrons present in the atoms of these elements and the electronic structures of their atoms.
How is the valence electron related to the valency of an element?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 1
Electrons hold the key to the chemical world. Our present-day understanding of 117 elements and their compounds rests primarily on the number of electrons present in the atoms of these elements and the electronic structures of their atoms.
How is valence electron related to the stability and reactivity of an element?
 
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 2
Isotopes find important applications in a variety of areas in the fields of medicine, agriculture, generation of cheaper electricity, industry, radiocarbon dating, etc.
Which isotope is used to monitor the uptake of phosphorus by plants?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 2
Isotopes find important applications in a variety of areas in the fields of medicine, agriculture, generation of cheaper electricity, industry, radiocarbon dating, etc.
Which isotope is used for finding the age of a fossil?