Structure of Atom
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Bohr's Model of Atom
SubtopicBohr's Model of Atom under Structure of Atom for Grade 11 ICSE.
Preview questions (no answers)
- 1.
For a hydrogen atom, the ionization energy is the energy required to move an electron from:
A.n=1 to n=2
B.n=2 to n=infinity
C.n=1 to n=infinity
D.n=infinity to n=1
- 2.
Bohr's model violates which principle that was developed later?
A.Pauli's Exclusion Principle
B.Heisenberg's Uncertainty Principle
C.Hund's Rule
D.Avogadro's Law
- 3.
What is the relationship between the energy () and the radius () of an orbit in Bohr's model?
A.B.C.D.
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Quantum Mechanical Model
SubtopicQuantum Mechanical Model under Structure of Atom for Grade 11 ICSE.
Preview questions (no answers)
- 1.
Orbitals belonging to the same subshell and having the same energy are called:
A.Isotopes
B.Degenerate orbitals
C.Valence orbitals
D.Hybrid orbitals
- 2.
What is the maximum number of electrons that can be held in the shell?
A.2
B.8
C.18
D.32
- 3.
The subshell with and is called:
A.3s
B.3p
C.3d
D.2s
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Electronic Configuration of Atoms
SubtopicElectronic Configuration of Atoms under Structure of Atom for Grade 11 ICSE.
Preview questions (no answers)
- 1.
For , the only possible subshell is:
A.B.C.D.and
- 2.
How many electrons are in the -subshell of a neutral Zinc atom ()?
A.0
B.5
C.10
D.12
- 3.
Which principle or rule prevents two electrons in the same orbital from having the same spin?
A.Hund's Rule
B.Aufbau Principle
C.Pauli's Exclusion Principle
D.Heisenberg Principle
Download the worksheet for Structure of Atom - Electronic Configuration of Atoms to practice offline. It includes additional chapter-level practice questions.
Dual Nature of Matter and Radiation
SubtopicDual Nature of Matter and Radiation under Structure of Atom for Grade 11 ICSE.
Preview questions (no answers)
- 1.
Which of the following is NOT a characteristic of a photon?
A.Rest mass is zero
B.It travels with the speed of light
C.Its energy is
D.It has a positive charge
- 2.
The product of the uncertainty in position and the uncertainty in velocity is given by:
A.B.C.D. - 3.
The emission of electrons from a metal surface when light of suitable frequency falls on it is called:
A.Thermionic emission
B.Field emission
C.Photoelectric effect
D.Radioactive decay
Download the worksheet for Structure of Atom - Dual Nature of Matter and Radiation to practice offline. It includes additional chapter-level practice questions.