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Chapter 3: Atoms and Molecules- Exercise- 35


Science

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Chapter 3: Atoms and Molecules

Class: IX

Exercise number 35

Question 1

Define atomic mass unit.

Answer 1

Mass unit equals to one- twelfth the mass of an atom of carbon - 12 is called one atomic mass unit. It is written as 'u'.

Question 2

Why is it not possible to see an atom with naked eyes?

Answer 2

It is not possible to see an atom with naked eyes because its extremely small in size.

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