Login
Home
TOP
Send feedback
Login
Subjects
Chemistry CBSE Live product
Class 9
Structure of the atom
Introduction to structure of the atom
7.
Discovery of electron
Question:
2
m.
Select
the correct answer:
1.
J.J. Thomson recieved the Noble prize for:
Conduction of electricity in gases
Discovery of the proton
Discovery of the neutron
Development of periodic table
2.
When a glass rod is rubbed with silk cloth, the rod becomes:
Positively charged
Neutral
Negatively charged
Electrically disharged
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!
