The nucleus contains all the positive charge of the atom and also__________ of its mass.
(a) 90.9% (b) 99.9% (c) 80.9% (d) 79.9%
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The nucleus contains protons, which have a positive charge equal in magnitude to the electron's negative charge. The nucleus may also contain neutrons, which have virtually the same mass but no charge
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The nucleus contains all the positive charges of the atom and also (b) 99.9% of its mass.
- An atom has a heavy center called the nucleus.
- The electrons present inside the atom revolve around the nucleus in a circular path called the orbit.
- The nucleus is made of protons and neutrons that are bound by the Strong Nuclear Force.
- We know that the mass of electrons is negligible in comparison to the masses of neutrons and protons, it may be stated that nearly the whole mass of the atom is withinside the nucleus.
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