Games and podcasts entertain students while news articles keep them up-to-date on scientific discoveries. Also Known As: acrylicactinic -refers to light capable of initiating a chemical reaction. This type of acetal is called a ketal. To cite this page: MLA APA Harvard Chicago Manual of Style "chemistry. The alkaline earth metals, as a group, share characteristic properties. Antiaromaticity differs from aromaticity by the science homework help chemistry dictionary number of π-electrons. arsenicarylaryl halide - An aryl halide is a molecule where a halogen atom is bonded to a carbon atom that is part of an aryl ring. The reflection can be rotated 180° to match up with the science homework help chemistry dictionary original structure. The empirical formula of ATP is C10H16N5O13P3. The online lessons provided here make these theories and processes easy to science homework help chemistry dictionary understand and grasp. alchemy -Several definitions of alchemy exist. alkylation - the the process where an alkyl group is introduced into a molecule. atomatomic ion - An atomic ion is an atom which has gained or lost at least one electron resulting in a net positive or negative charge on the atom. This website is one those wonderful websites that cater to the science homework help chemistry dictionary needs of the Students of all levels. Examples: thorium, uranium, plutoniumactinium - the name for the element with atomic number 89 and is represented by the symbol Ac. Aufbau principleaurum - Aurum is the Latin name for science homework help chemistry dictionary the element gold. Alanine is also abbreviated as A. The empirical formula of ATP is C10H16N5O13P3. aldotetrose -a tetrose carbohydrate with an aldehyde functional group at the first carbon. Example: Activated charcoal is used as an absorbent material to remove impurities in water. This website provides assistance for science homework help chemistry dictionary both Science Assignment and Science Homework Help.