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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
How does a proton differ from an electron?
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 gas which produces anode rays consisting of protons in the discharge tube experiment.
Define: Neutron
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.
In response to a question, a student stated that in an atom, the number of protons is greater than the number of neutrons, which in turn is greater than the number of electrons. Do you agree with the statement? Justify your answer.
Assertion: Proton can be defined as a hydrogen ion (H+).
Reason: These photons are produced when one electron is removed from one hydrogen atom.
An atom is electrically neutral. Give reason.
