CBSE Class 9 Science Journey Inside the Atom (Class 9 NCERT New) Quiz 5

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CBSE › Class 9 › Science › Journey Inside the Atom (Class 9 NCERT New)

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1. What does the 1.00794 stand for?

A Hydrogen B atomic number C atomic mass D atomic explosion

2. What does the 1 stand for?

A Hydrogen B atomic number C atomic mass D atomic explosion

3. What is the atomic mass of Neon?

A 10 B 20.18 C 10.18 D 22.18

4. How many neutrons are in a Gold atom?

A 79 B 196 C 118 D 275

5. What is the atomic mass of Gold?

A 79 B 196.9665 C 117 D 275

6. How many electrons does an Iodine atom have?

A 53 B 126 C 73 D 179

7. What is this number representing?

A Number of protons B Number of Protons and Electrons C Number of Protons and Neutrons D Number of Electrons, Protons and Neutrons

8. What is the number highlighted?

A Atomic number B Atomic mass C Number of protons D Number of electons

9. How many neutrons does an Oxygen atom have?

A 8 B 16 C 24 D 7.999

10. How many electrons does a Hydrogen atom have?

A 1 B 2 C 3 D 0

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