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Ions are defined as _____.
A. atoms that have lost or gained an electron and have a charge.
B. atoms that are bonded to other atoms of the same element
C. neutral atoms
D. nuclear atoms

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the answer is d. nuclear atoms

Answer: A. atoms that have lost or gained an electron and have a charge.

Explanation:

  • Whenever an atom carries a charge which is non zero, it is said to be an ion.
  • An ion can be positively charged if it loses an electron and is called a cation.
  • An ion can also be negatively charged if it gains an electron and is called an anion.
  • An example of a cation is sodium ion, Na+ which is formed due to the loss of one electron.
  • An example of an anion is chloride ion, Cl- which is formed due to the gain of one electron.

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