Q1ChemistryUnit 2: Atomic Structure
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Chemistry · JEE
Elementary ideas of quantum mechanics, the quantum mechanical model of the atom and its important features Previous Year Questions for JEE
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Syllabus context
Part of Atomic Structure in JEE Main Chemistry.
- Nature of electromagnetic radiation, photoelectric effect, spectrum of the hydrogen atom
- Bohr model of a hydrogen atom: its postulates, derivation of the relations for the energy of the electron and radii of the different orbits, limitations of Bohr's model
- Dual nature of matter, de Broglie's relationship, Heisenberg uncertainty principle
- Elementary ideas of quantum mechanics, the quantum mechanical model of the atom and its important features
- Concept of atomic orbitals as one-electron wave functions, variation of Psi and Psi^2 with r for 1s and 2s orbitals
- Various quantum numbers (principal, angular momentum and magnetic quantum numbers) and their significance
- Shapes of s, p and d orbitals, electron spin and spin quantum number
- Rules for filling electrons in orbitals: Aufbau principle, Pauli's exclusion principle and Hund's rule
- Electronic configuration of elements and extra stability of half-filled and completely filled orbitals
Free sample questions
Attempt 8 free MCQs for Elementary ideas of quantum mechanics, the quantum mechanical model of the atom and its important features. Unlock 1+ more with Pro.
Q2ChemistryUnit 2: Atomic Structure
Which of the following is not a feature of quantum mechanical model?
This question has multiple correct options
Q3ChemistryUnit 2: Atomic Structure
Select the correct statement.
This question has multiple correct options
Q4ChemistryUnit 2: Atomic Structure
The phenomenon of radioactivity is associated with:
Q5ChemistryUnit 2: Atomic Structure
Which of the following is the main cause of late discovery of neutron?
Q6ChemistryUnit 2: Atomic Structure
The current model of atomic structure
is the:
Q7ChemistryUnit 2: Atomic Structure
Electron has nearly the equal mass as
that of a/an:
Q8ChemistryUnit 2: Atomic Structure
An atom has two main regions.Which are those?
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