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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
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