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9th CBSE
IMPORTANT
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What is the usual symbol for a neutron?

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Important Questions on Structure of Atom

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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 12
Thomson proposed that the nucleus of an atom contains protons and neutrons.
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 12
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 12
The anode rays obtained from all the gases consist of positively charged particles called protons.
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 13
Name the central part of an atom where protons and neutrons are held together.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 14
What are the various letters used by Bohr to represent electron shells in an atom? 
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9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 15
Name the particles which actually determine the mass of an atom.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 16
Name the positively charged particle present in the atoms of all the elements.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 4 - Structure of Atom>Very Short Answer Type Questions>Q 17
What is the electronic configuration of a hydrogen atom?