Difference between revisions of "Chemical Formula"
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===Examples=== | ===Examples=== | ||
{| class="wikitable" | {| class="wikitable" | ||
+ | | style="height:20px; width:200px; text-align:center;" |'''Water''' | ||
+ | | style="height:20px; width:200px; text-align:center;" |'''Carbon Dioxide''' | ||
+ | | style="height:20px; width:200px; text-align:center;" |'''Methane''' | ||
+ | | style="height:20px; width:200px; text-align:center;" |'''Ethanol''' | ||
|- | |- | ||
|[[File:WaterMolecule.png|center|200px]] | |[[File:WaterMolecule.png|center|200px]] | ||
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| style="height:20px; width:200px; text-align:center;" |'''H<sub>2</sub>O''' | | style="height:20px; width:200px; text-align:center;" |'''H<sub>2</sub>O''' | ||
− | | style="height:20px; width:200px; text-align:center;" | | + | | style="height:20px; width:200px; text-align:center;" |'''CO<sub>2</sub>''' |
− | | style="height:20px; width:200px; text-align:center;" | | + | | style="height:20px; width:200px; text-align:center;" |'''CH<sub>4</sub>''' |
− | | style="height:20px; width:200px; text-align:center;" | | + | | style="height:20px; width:200px; text-align:center;" |'''CH<sub>5</sub>OH''' |
|} | |} |
Revision as of 16:12, 23 September 2018
Key Stage 3
Meaning
A Chemical Formula is a simple way to show the number and type of atoms in a chemical.
About Chemical Formulae
- Chemical Formulae show which elements are in a molecule.
- The number of each element in a molecule is shown with a number written just after and lower than the element.
Examples
Water | Carbon Dioxide | Methane | Ethanol |
H2O | CO2 | CH4 | CH5OH |