atom
the smallest portion of an element found in the periodic chart; exampels include carbon,oxygen,gold
Biomolecule
an organic molecule produced by a living organism
chemical bond
a connection made between atoms when electrons are attracted, shared, or transferred
condensation reaction or dehydration synthesis
a chemical reaction that combines smaller molecules and forms water as a byproduct; the reaction is often used to form polymers
Convalent bond
a chemical bond formed when elements share electrons
Hydrolysis molecule
a chemical reaction between water and another molecule that breaks down the molecule to break apart a polymer into monomers
Inorganic molecule
a molecule that is not organic; most (but not all) do not include carbon; examples include water (H2O), ammonia (NH3), table salt (NaCl), and carbon dioxide (CO2)
Ion
an electrically charged "atom" that has either gained or lost electrons
iconic bonds
a chemical bond formed when elements transfer (donate or accept) electrons