Chemistry 9 Chapter 1 Practice Test 1

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Chemistry 9 Chapter 1 Practice Test 1

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Class 9 Chemistry

Chapter 1

Atomic Numbers and Atomic Masses

MCQs Test No 1

1 / 10

The atomic number of Helium (He) is:

2 / 10

The nitrogen has 7 protons in its nucleus, its atomic number is:

3 / 10

The atomic number and atomic mass of Magnesium are ______ and _______.

4 / 10

Atomic number, atomic mass and Symbol of Potassium are:

5 / 10

The atomic mass of Sodium is 23, its atomic number is:

6 / 10

Atomic number of Aluminum is 13, its atomic mass is:

7 / 10

The symbol of Hydrogen is H, its atomic number is 1, and its atomic mass is:

8 / 10

The symbol of Sodium is:

9 / 10

The atomic mass of Carbon is:

10 / 10

Atomic number of Oxygen is 8, its atomic mass is:

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