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11th Odisha Board
IMPORTANT
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number of unpaired electrons are there in oxygen atom.

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Important Questions on Structure of Atom

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)
Isotopes of the same element differ in their_____.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)
Isotones are atoms of different elements having _____ number of neutrons.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)
Atoms of different elements having same mass number but differing in atomic number are called_____.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)

The maximum number of electrons in any orbit is X. X can be _____.

A. X=n2, B. X=2n, C. X=2n2

"Enter your answer in the form of A, B or C."

MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)
The atomic number of element having maximum number of unpaired 3p electrons is_____.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (C)
The number of unpaired electrons in the ground state of carbon is_____.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (D)
Which of the following electronic configuration is permissible?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 3 - Structure of Atom>QUESTIONS>Q (D)
The number of neutrons in Zn+2 ion with mass number is 65.