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Class IX Science Quiz: Structure of the Atom
Class IX
Science
Structure of the Atom
14 questions
EASY
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Preview questions
1. What is the smallest unit of an element?
Molecule · Atom · Compound · Ion
2. Who proposed the nuclear model of the atom?
J.J. Thomson · Ernest Rutherford · Niels Bohr · John Dalton
3. What charge do protons carry?
Negative · Positive · Neutral · Variable
4. Which particle is found in the nucleus of an atom?
Electron · Proton · Neutron · Both Proton and Neutron
5. What is the charge of an electron?
Positive · Negative · Neutral · Zero
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