2)
what is iron? what are calation and and aniom
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Answers
Explanation:
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In chemistry, iron(II) refers to the element iron in its +2 oxidation state. In ionic compounds (salts), such an atom may occur as a separate cation (positive ion) denoted by Fe2+.
An anion may be defined as an atom or molecule that is negatively charged. A cation may be defined as an atom or molecule that is positively charged. ... They have an opposite electrical charge, therefore they get attracted to each other.