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प्रश्न
What is an electron? State its relative mass and charge.
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उत्तर
An electron (e−) is a fundamental subatomic particle with a negative elementary electric charge. Its mass is 1/1840th of that of a hydrogen atom.
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संबंधित प्रश्न
What is the absolute mass and charge of an electron?
Give the symbol and charge of each particle.
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
Give a reason why noble gases have a stable electronic configuration.
Differentiate between the following term:
Electron and proton
On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
All non–metals will have ______ electrons in the outermost orbit of their atoms.
The maximum number of electrons that can be present in the N shell is ______.
An atom has a number of orbits and each orbit has protons.
Helium has two electrons in the outermost orbit and so it is chemically inert.
