Atomic Structure – Chemistry 9th – Level 4

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Atomic Structure - Level 4

Chapter 2 - Chemistry Class 9th - Test Preparation MCQs

Chapter : Atomic Structure (Level 4)
Subject : Chemistry
Class : 9th
Board : Sindh Board
Total MCQs : 10
Extract From : 9th Class Note Book
Time : 5 Minutes (30 Seconds for Each Question)

  1. The charge and mass ratio (e/m) of protons is:
  2. The mass of a proton is 1836 times more than the mass of:
  3. In 1932, he become successful to discover Neutron.
  4. The neutrons have:
  5. The mass of a neutron is almost equal to that of: .
  6. These particles are most penetrating in matter.
  7. All atoms can be identified by their:
  8. The number of protons in the nucleus of an atom is called:
  9. Atomic number represented by:
  10. The elements are identify by their:

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1. The number of protons in the nucleus of an atom is called:

2 / 10

2. The mass of a proton is 1836 times more than the mass of:

3 / 10

3. All atoms can be identified by their:

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4. The mass of a neutron is almost equal to that of: .

5 / 10

5. In 1932, he become successful to discover Neutron.

6 / 10

6. Atomic number represented by:

7 / 10

7. The neutrons have:

8 / 10

8. These particles are most penetrating in matter.

9 / 10

9. The charge and mass ratio (e/m) of protons is:

10 / 10

10. The elements are identify by their:

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