Which subatomic particle was discovered by :
(i) Chadwick ? (ii) Thomson ? (iii) Goldstein ?

Which sub-atomic particle was discovered by Chadwick.

Which sub-atomic particle was discovered by Thomson

Which sub-atomic particle was discovered by Goldstein

The subatomic particle called electron was discovered by :

Which subatomic particles are electrically charged ?

Which of the following particles was discovered earliest?

Which of the following subatomic particle was covered by Goldstein on the basis of the cathode ray experiment ?