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8th ICSE
IMPORTANT
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The electron was discovered by

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Important Questions on Atomic Structure

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8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q A
The neutron was discovered by

 
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8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q A
The nuclear model of atom was proposed by
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q A
The maximum number of electrons that can be present in an orbit are _____.
 
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8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q A
The maximum number of electrons in outermost orbit required to complete the octet rule are
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8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q B
Rutherford showed that _____ rays come out of unstable nuclei. (cathode/ alpha)
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q B
Electrons revolve around the nucleus in fixed paths, are called _____.
 
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8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q B
Number of protons and number of neutrons of an atom form its _____.
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 4 - Atomic Structure>Exercise>Q B
Atomic number is the number of _____ present in the nucleus of an atom.