Changes

: [[Iron Oxide]] may have the following [[Chemical Formula|formulae]]:

:*FeO and is known as [[Iron (II) Oxide]].

: [[Iron Oxide]] is a [[base]].

: [[Iron Oxide]] is held together by [[Ionic Bond|ionic bonds]].

: [[Iron Oxide]] has a [[Giant Ionic Structure|giant ionic structure]].

: [[Iron Oxide]] [[Chemical Reaction|reacts]] with [[acid]]s to produce a [[Iron]] [[salt]] and [[water]].