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What Are Some Examples of Atoms?

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This is a basic diagram of an atom, with protons, neutrons and electrons.

This is a basic diagram of an atom, with protons, neutrons and electrons.

AhmadSherif, Wikipedia Commons

Question: What Are Some Examples of Atoms?

Atoms are fundamental units of matter that cannot be broken down using any chemical means. Here are some examples of atoms.

Answer: Many atoms consist of a positively-charged nucleus of protons and neutrons surrounded by a negatively-charged cloud of electrons. At its most basic level, an atom is any matter that contains at least a proton. Atoms may be neutral or electrically charged. A single particle of any element listed in the periodic table is an atom. Here are some examples of atoms:

  • neon, Ne
  • hydrogen, H
  • plutonium, Pu
  • protium, an isotope of hydrogen
  • a calcium ion, Ca2+

 

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