Exhibits low pH behavior or proton donor characteristics.
Capable of behaving as both an acid and a base.
Cyclic planar molecule with delocalized pi-electrons (e.g., Benzene).
Exhibits high pH behavior or proton acceptor characteristics.
Chemically involved in the metabolic processes of living organisms.
Absorbing specific wavelengths of light to exhibit visual color.
Lacking any observable color in the visible spectrum.
Destructive to living tissue or metals upon contact.
Rapidly decomposing with significant release of energy and gas.
Capable of catching fire and burning easily.
Potentially fatal in very small doses.
Binary compounds of hydrogen with another element.
General classification for non-carbon based mineral-like compounds.
Occurring in nature without human intervention.
Based on carbon-hydrogen frameworks, often containing O, N, S, P.
Substances containing at least one bond between carbon and a metal.
Combinations of oxygen with one or more other elements.
Large molecule consisting of many repeating structural subunits.
Highly reactive species with an unpaired valence electron.
Containing unstable nuclei that emit radiation.
Product of a neutralization reaction between an acid and a base.
Complexes held together by non-covalent intermolecular forces.
Produced through intentional chemical synthesis.
Harmful if ingested, inhaled, or absorbed by the skin.
Essential for life.
Easily evaporated at normal temperatures.
Functional and descriptive traits associated with chemical compounds.