Question

write the three fundamental units of atoms?
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Answer 1

The atom is made of a central nucleus containing protons (positively-charged) and neutrons (with no charge). The electrons (negatively-charged) revolve around the nucleus in different imaginary paths called orbits or shells.

Explanation:

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Answer 2

Answer:

atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks

Explanation:

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