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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
Name the positively charged particle present in the atoms of all the elements.
What is the positive charge on the nucleus of an atom due to?
What is a proton? State its relative mass and charge.
What is the absolute mass and charge of a proton?
(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?
Define: Proton
Define: Neutron
Represent a neutron ‘n’ in term of its symbol showing the subscript and superscript value.
Write the properties of anode rays.
Assertion: Proton can be defined as a hydrogen ion (H+).
Reason: These photons are produced when one electron is removed from one hydrogen atom.
