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Chemistry Quiz - Structure of Atom

Class XI
Chemistry
Structure of Atom
12 questions
HARD

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1. Which of the following particles has the least mass?

Proton · Neutron · Electron · Alpha particle

2. What is the maximum number of electrons that can occupy the n=3 shell?

2 · 8 · 18 · 32

3. According to Bohr's model, which of the following is true about electron orbits?

Electrons can exist in any orbit · Electrons in higher orbits have lower energy · Electrons can jump between orbits by absorbing or emitting energy · Orbits are elliptical in shape

4. The principal quantum number (n) indicates which of the following?

Shape of the orbital · Orientation of the orbital · Size and energy of the orbital · Spin of the electron

5. What is the shape of the p-orbital?

Spherical · Dumbbell · Double dumbbell · Linear