MEDIUM
11th CBSE
IMPORTANT
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The pair of ions having same electronic configuration is _____.

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Important Questions on Structure of Atom

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-I)>Q 15
For the electrons of an oxygen atom, which of the following statements is correct?
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-I)>Q 16
If travelling at the same speeds, which of the following matter waves have the shortest wavelength?   
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-II)>Q 17
Identify the pairs which are not of isotopes?
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-II)>Q 18
Out of the following pairs of electrons, identify the pairs of electrons present in degenerate orbitals:
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-II)>Q 19
Which of the following sets of quantum numbers are correct? 
EASY
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-II)>Q 20
In which of the following pairs, the ions are isoelectronic?
HARD
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Multiple Choice Questions (Type-II)>Q 21
Which of the following statements concerning the quantum numbers is correct? 
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 2 - Structure of Atom>Short Answer Type>Q 22
Arrange s, p and d subshells of a shell in the increasing order of effective nuclear charge (Zeff) experienced by the electron present in them.