Compare the properties of electrons, protons and neutrons.
Q.1:- Compare the properties of electrons, protons and neutrons.
Answer:-
Property
|
Electron
|
Proton
|
Neutron
|
1. Symbol |
or  |
or  |
or  |
2. Charge |
-1 unit or

|
+ 1 unit or

|
Zero |
3. Mass |
 |
 |
 |
4. Location |
Present around
the nucleus |
Present in nucleus |
Present in nucleus |
5. Discovery |
J.J. Thomson |
E. Goldstein |
Chadwick |