9th Chemistry Chapter 2

Welcome to your 9th Chemistry Chapter 2

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1. 
Which one of the following results in the discovery of proton?

2. 
Which one of the following is the most penetrating?

3. 
The concept of orbit was used by

4. 
Which one of the following shell consists of three subshells?

5. 
Which radioisotope is used for the diagnosis of tumor in the body?

6. 
When U-235 breaks up, it produces:

7. 
The p subshell has:

8. 
Deuterium is used to make:

9. 
The isotope C-12 is present in abundance of:

10. 
Who discovered the proton?

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