Difference between revisions of "Pure"
| Line 5: | Line 5: | ||
===About Pure Substances=== | ===About Pure Substances=== | ||
: The opposite of a [[pure]] [[substance]] would be a [[mixture]] of [[substance]]s. | : The opposite of a [[pure]] [[substance]] would be a [[mixture]] of [[substance]]s. | ||
| + | : A [[substance]] can be [[pure]] because it is made of only one [[element]] or it can be [[pure]] because it is made of only one [[compound]]. | ||
| + | ===Examples=== | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
Revision as of 08:25, 24 September 2018
Key Stage 3
Meaning
A pure substance is one that contains only one type of chemical.
About Pure Substances
- The opposite of a pure substance would be a mixture of substances.
- A substance can be pure because it is made of only one element or it can be pure because it is made of only one compound.
Examples
 |
 |
 |
| Pure Gold is a solid made of only Gold atoms. | Pure Mercury is a Liquid made of only Mercury atoms. | Pure Oxygen is a gas made of only Oxygen atoms. |
 |
 |
 |
| Pure Magnesium Oxide is a solid made of only the compound Magnesium Oxide | Pure water is a liquid made of only the compound H2O. | Pure Carbon Dioxide is a gas made of only Carbon Dioxide molecules. |