化学
A branch of [[science]] involving the composition, properties, and behaviors of physical matter. Most prominent in the field is the study of atoms - how they bind together to make one substance, and then interact with other atoms to make a new substance. The word [i]chemistry[/i] is directly borrowed from the word [i][[alchemy]][/i].

Use this tag for posts explaining or depicting the topic of chemistry, chemical experiments, etc.. Not simply due to the presence of identifiable [[chemicals|chemical]] substance.
h4. Examples
* !post #7602258
* !post #5530998
h4. Equipments
* [[alcohol burner]]
* [[beaker]]
* [[bunsen burner]]
* [[flask]]
** [[Erlenmeyer flask]]
** [[round-bottom flask]]
* [[gas cylinder]]
* [[graduated cylinder]]
* [[lab condenser]]
* [[lab coat]]
* [[retort stand]]
* [[test tube]]
* [[tripod (laboratory)]]

h4.See also

* [[alchemist]]
* [[chemical structure]]
* [[laboratory]]
* [[periodic table]]
* [[weighing scale]]

h4. External links
* "Wikipedia article":http://en.wikipedia.org/wiki/Chemistry
chemistry