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Class IX Science Quiz: Structure of the Atom

Class IX
Science
Structure of the Atom
13 questions
HARD

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Preview questions

1. What is the charge of an electron?

Positive · Negative · Neutral · Variable

2. Which subatomic particle has a mass approximately 1 amu?

Electron · Proton · Neutron · Photon

3. Who proposed the planetary model of the atom?

Dalton · Thomson · Rutherford · Bohr

4. What is the main component of an atom's nucleus?

Electrons · Protons and Neutrons · Neutrons and Photons · Electrons and Protons

5. What is the maximum number of electrons that can occupy the second shell?

2 · 8 · 18 · 32