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प्रश्न
Define: Electron
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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.
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संबंधित प्रश्न
What is a proton? State its relative mass and charge.
What is a proton? How does it differ from a neutron?
Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :
Name the sub-atomic particle whose charge is +1.
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached `""_1"p"^1, ""_0"n"^1,""_-1"e"^0`
What is the significance of the number of protons found in the atoms of different elements?
Define: Neutron
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
Write the properties of anode rays.
An atom is electrically neutral. Give reason.
