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8th ICSE
IMPORTANT
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 What are the two main features of Rutherford's atomic model?

Important Questions on Atomic Structure

HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 8
State one drawback of Rutherford's atomic model.
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 9
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 10

State the mass number, the atomic number, number of neutrons and electronic configuration of the following atoms. Also, draw atomic diagrams for each of them.

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HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 11
What is variable valency? Name two elements having variable valency and state their valencies.
MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 12
The atomic number and the mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 13
Draw the diagram representing the atomic structure of nitrogen.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 13
Draw the diagram representing the atomic structure of Neon.
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 14
Explain the rule with example according to which electrons are filled in various energy levels.