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8th ICSE
IMPORTANT
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The number of valence electrons present in magnesium is

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Important Questions on Atomic Structure

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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 4
The sub-atomic particle with positive charge is
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 4
If the atomic number of an atom is 17 and the mass number is 35, then the number of neutrons will be
EASY
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 4
The number of electrons in an atom is equal to the number of
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 4
The sum of the number of protons and the number of neutrons present in the nucleus of an atom is called its
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 5
Name three fundamental particles of an atom. Give the symbol with charge, on each particle.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 6
Define atomic number.
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8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 6
Define mass number.
MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 4 - Atomic Structure>Exercise>Q 6
Define Nucleons.