Which of the following best describes an atom?(1) protons and electrons grouped together in a random pattern(2)protons and electrons grouped together in an alternating pattern(3) a core of protons and neutrons surrounded by electrons(4) a core of electrons and neutrons surrounded by protons

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27-04-2016
Chemistry

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Which of the following best describes an atom?(1) protons and electrons grouped together in a random pattern(2)protons and electrons grouped together in an alternating pattern(3) a core of protons and neutrons surrounded by electrons(4) a core of electrons and neutrons surrounded by protons

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itemderby itemderby · Answer 1 · 2019-02-01T09:24:57+01:00

Answer: Option (3) is the correct answer.

Explanation:

An atom consists of three sub atomic particles which are protons, neutrons, and electrons.

Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.

Both protons and neutrons are placed inside the nucleus of an atom. This nucleus is surrounded by the electrons as electrons revolve around the nucleus.

Thus, we can conclude that out of the given options, a core of protons and neutrons surrounded by electrons best describes an atom.

shristiparmar1221 shristiparmar1221 · Answer 2 · 2022-07-01T18:30:26+02:00

Atom is a core of protons and neutrons surrounded by electrons. Hence, Option (3) is the correct answer.

What is an Atom ?

Atom is the smallest particle of a chemical element that can exist.

It contains three sub atomic particles protons and neutrons in nucleas and electrons in surrounding orbits.

Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.

Thus, we can conclude that out of the given options, a core of protons and neutrons surrounded by electrons best describes an atom.Hence, Option (3) is the correct answer.

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