Advertisements
Advertisements
Question
Define: Electron
Advertisements
Solution
Electron = e = is subatomic particle revolving around the nucleus of an atom having
unit – ve charge, mass = 1/1840 of 1 hydrogen atom, and the number of electrons = number of protons.
APPEARS IN
RELATED QUESTIONS
Name the subatomic particle whose relative charge is : +1
What is a proton? State its relative mass and charge.
(a) What are cathode rays? What is the nature of charge on cathode rays?
(b) Explain how, cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases from cathode rays?
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.
Represent a neutron ‘n’ in term of its symbol showing the subscript and superscript value.
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
Complete the Table on the basis of information available in the symbols given below
- `""_17^35"Cl"`
- `""_6^12"C"`
- `""_35^81"Br"`
| Element | np | nn |
A proton can be defined as a ______.
The nature of anode rays depends upon ______.
