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प्रश्न
Multiple Choice Questions
The outermost shell of an atom is known as
विकल्प
valency
valence electrons
nucleus
valence shell
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उत्तर
valence shell
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Mention briefly the salient features of Dalton’s atomic theory (five points)
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What is an atom?
Why is an atom neutral inspite of the presence of charged particles in it?
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
If an atom ‘A’ has an atomic number of eleven, state the number of protons and electrons it contains.
