Anion
An anion is a negatively charged ion. During electrolysis an anion is attracted to the anode (positive electrode). The name was coined in the 19th century and is a combination of ana (Greek for ...
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Cation
A cation is a positively charged ion. The name comes from a 19th century combination of cata (from the Greek for down, kata) and ion. During electrolysis, cations are reduced at the cathode.
Ca...
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Ion
An ion is an atom or group of atoms that has lost or gained one or more electrons. This produces a charged particle, which can be either positive or negative.
Normally, an atom is neutrally charge...
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Ionization
Ionization is the process in which an electron is pulled completely away from an atom, leaving an ion with positive charge. The energy necessary to accomplish this process is called the ion...
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Ions
An ion is a molecule of atom that carries a net positive or negative electric charge, that is it is not electrically neutral. The word ion is Greek, meaning the ones that move. A neutral atom has...
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Ion and Ionization
An electrically neutral atom becomes an ion through the removal or addition of electrons. A negatively charged ion is called an anion and a positively charged ion is a cation. There...
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Ion
Forms of ordinary chemical elements that have gained or lost electrons from their orbit around the atomic nucleus and, thus, have become electrically charged. Positive ions (those that have lost e...
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