Atoms or molecules that have gained or lost electrons resulting in a net positive (cation) or net negative (anion) charge.
Tag: chem
Mole
A unit of measure in chemistry.
It is the atomic weight of an atom, or molecule, in grams.
Atom
A fundamental piece of matter. It is the smallest object that retains the properties of the element.
It is composed of a positively charged nucleus and a negatively charged cloud of electrons.