Advertisements
Advertisements
प्रश्न
Define: Electron
Advertisements
उत्तर
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
संबंधित प्रश्न
Name the subatomic particle whose relative charge is : +1
All the gases from cathode rays anode rays when electricity is passed through them :
What does the formation of anode rays tell us about the atoms?
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
How does cathode ray differ from as anode rays?
Complete the table given below
|
|
No. of protons |
No. of electrons |
No. of Neutrons |
Atomic Number |
Mass number |
| `""_17^35"CI"` |
|
|
|
|
|
| `""_17^37"CI"` |
|
|
|
|
|
Define: Proton
Represent an electron ‘e’ 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 |
An atom differs from its ion in ______.
