Name the particles which determine the mass of an element. from

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Structure of Atom

Short Answer Type

1. Name the fundamental particles which constitute an atom.

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2.

What is an Electron?

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3.

What is a proton?

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4.

Who discovered neutron?

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5. What is a neutron?

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6.

What is the name of the remaining part of atom except outer orbit?

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7.
Name the particles which determine the mass of an element.

The particles which determine the mass of an element are protons and neutrons.

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8.

What are α-particles?

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9. Why were neutrons discovered very late?

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10.

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

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