Class 11 Chemistry: Structure of Atom Worksheet

This worksheet covers fundamental concepts related to the structure of the atom, including subatomic particles, atomic models, and basic quantum numbers, suitable for Class 11 CBSE students.

Class 11CBSEChemistryeasyPractice

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Q1. Which of the following subatomic particles has a positive charge?
- Electron
- Neutron
- Proton
- Photon
Q2. The atomic number of an element is determined by the number of:
- Electrons
- Neutrons
- Protons
- Nucleons
Q3. According to Bohr's model, electrons revolve around the nucleus in fixed circular paths called:
- Orbits
- Orbitals
- Clouds
- Shells
Q4. The discovery of neutrons is credited to:
- Ernest Rutherford
- J.J. Thomson
- James Chadwick
- Niels Bohr
Q5. Which of the following atomic models is also known as the 'plum pudding' model?
- Rutherford's Model
- Bohr's Model
- Thomson's Model
- Quantum Mechanical Model

+ 5 more in the printable PDF.