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Ions are atoms or a group of atoms that has an electric charge.
A positively charged ion is called a cation and a negatively charged ion is called an anion
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they are what? particles or things?
they are particles
ok thanks!
A charged particle having unequal number of electrons & protons is called an Ion.
When ion is positive charge it is called cation.
When ion is negatively charged it is called anion.
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