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==Key Stage 3==
===Meaning===
A [[molecule]] is a [[particle]] made of two or more [[Atom|atoms]] [[Chemical Bond|chemically bonded]] together.
===About Molecules===
: A [[molecule]] could be made of many of the same type of [[atom]] so it is an [[element]].
: [[Molecule]]s can be made of many different types of [[atom]] and these [[molecule]]s are called [[compound]]s.
{| class="wikitable"
|-
|[[File:NitrogenMolecule.png|center|200px]]
|[[File:OxygenMolecule.png|center|200px]]
|[[File:WaterMolecule.png|center|200px]]
|[[File:CarbonDioxideMolecule.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |This is a [[molecule]] of two [[Nitrogen]] [[atom]]s [[Chemical Bond|bonded]] together making it an [[element]].
| style="height:20px; width:200px; text-align:center;" |This is two [[oxygen]] [[atom]]s [[Chemical Bond|bonded]] together into a [[molecule]].
| style="height:20px; width:200px; text-align:center;" |A [[water]] [[molecule]] is a [[compound]] made of one [[Oxygen]] [[Chemical Bond|bonded]] with two [[Hydrogen]] [[atom]]s.
| style="height:20px; width:200px; text-align:center;" |[[Carbon Dioxide]] is a [[compound]] [[molecule]] made of one [[Carbon]] atom and two [[Oxygen]] [[atom]]s [[Chemical Bond|bonded]] together.
|}