MEDIUM
9th CBSE
IMPORTANT
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What is the maximum number of electrons which can be accommodated in the 5th orbit? (Write in number(s))

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Important Questions on Structure of the Atom

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 18
Define valency by taking examples of silicon and oxygen. 
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 19
Sodium has completely filled K and L shells. Explain. 
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 1
How are cathode rays produced? Explain with the help of a diagram.
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 2
Give the properties of cathode rays
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 3
How is it demonstrated that cathode rays are made up of material particles having mass and kinetic energy?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 4
Draw a labelled diagram showing the deflection of cathode rays in a magnetic field.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 5
How can you conclude that the electrons are fundamental particles?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 4 - Structure of the Atom>Practice Questions>Q 6
What is meant by em ratio? Give the value of em ratio of cathode rays.