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==Key Stage 3=====Meaning===[[Lithium Oxide]] is a [[solid]] (at [[Room Temperature|room temperature]]) chemical [[compound]] with the [[Chemical Formula|formula]] Li₂O. ===About Lithium Oxide===: [[Lithium Oxide]] is a [[salt]]. ==Key Stage 4=====Meaning===[[Lithium Oxide]] is a [[solid]] ([[STP]]) chemical [[compound]] with the [[Chemical Formula|formula]] Li₂O. ===About Lithium Oxide===: [[Lithium Oxide]] is a [[salt]].: [[Lithium Oxide]] is held together by [[Ionic Bond|ionic bonds]].: [[Lithium Oxide]] has a [[Giant Ionic Structure|giant ionic structure]].