Q34 of 149 Page 192

What do we call this number which is characteristic of a particular element?

The characteristic of any particular is its atomic no.


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33

Why is an atom neutral inspite of the presence of charged particles in it?

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Which of the nuclear particles is present in the same fixed number in the atoms of any particular element?

 35

What is a proton? State its relative mass and charge.

 36

What is the absolute mass and charge of a proton?