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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