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Structure Of Atom

Question

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What is an Electron?

Solution

Electron is a subatomic particle having a unit negative charge (-1.602 x 10^-19coulombs) and a mass (9.11 x 10^-31 kg) which is 1/1837 of that of a hydrogen atom.

Some More Questions From Structure of Atom Chapter

What are α-particles?

Why were neutrons discovered very late?

What are the fundamental particles present in a neutral atom having atomic number greater than 1?

Do protons and neutrons have identical mass?

When α-particles are sent through a thin metal foil, most of them go straight through the foil. What inference do you draw from it?

What did Rutherford's experiment on scattering of particles show for the first time?

What is Plum-Pudding model of the atom?

Are neutrons present in all atoms?

Why are electrons called planetary electrons?

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