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IMPORTANT
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According to 2n2 rule 32 electrons can be assigned to which shell?

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Important Questions on Structure of Atom

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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 9
The atomic number of an element is 9. Therefore, the number of electrons in its valence shell is
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 10
The atomic number of an element is 17. Therefore, the number of electrons needed to complete its octet is
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 11
Cl-35 and Cl-37 are the two isotopes of chlorine. Therefore, they are respectively represented by the notations
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 12
Plum-pudding model of atom was proposed by:
 
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 13
Nuclear model of atom was proposed by
 
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 14
Atomic number of an element is equal to
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 15
The nuclear model of atom was modified and a new model was proposed by
 
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9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Multiple Choice Questions (MCQ)>Q 16
The atomic number of aluminium is 13. Its electrons are correctly distributed in K, L and M shells as.