Atomic Structure – Chemistry 9th – Level 1

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Atomic Structure - Level 1

Chapter 2 - Chemistry Class 9th - Test Preparation MCQs

Chapter : Atomic Structure (Level 1)
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. Molecular Formula =:
  2. The atomic mass is the sum of the number of:
  3. The number of atoms, molecules, or ions presents in one mole is: OR Avogadro's number is:
  4. In an atom number of protons and neutrons are added to obtain:
  5. If the proton number is 19, electron configuration will be:
  6. If the nucleon number of potassium is 39, the number of neutrons will be:
  7. The isotope C-12 is present in the abundance of:
  8. Electronic configuration is a distribution of:
  9. Which one of the following is most penetrating?
  10. How many subshells in a L shell?

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1. In an atom number of protons and neutrons are added to obtain:

2 / 10

2. The atomic mass is the sum of the number of:

3 / 10

3. Molecular Formula =:

4 / 10

4. If the proton number is 19, electron configuration will be:

5 / 10

5. Which one of the following is most penetrating?

6 / 10

6. The isotope C-12 is present in the abundance of:

7 / 10

7. The number of atoms, molecules, or ions presents in one mole is: OR Avogadro's number is:

8 / 10

8. How many subshells in a L shell?

9 / 10

9. If the nucleon number of potassium is 39, the number of neutrons will be:

10 / 10

10. Electronic configuration is a distribution of:

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