Q: ion
A: a charged atom or group of atoms

Q: the charge on a cation
A: positive

Q: cations
A: ions with missing electrons

Q: the relationship between cation and anion charges in a salt
A: equal

Q: the positive charge value on alkaline earth metal ions
A: two

Q: the number of ions found in iron III chloride
A: four

Q: this group of elements doesn't make cations or anions
A: inert gases

Q: the charge on ions with extra electrons
A: negative

Q: the number of oxygen atoms found in aluminium sulfate
A: twelve

Q: an element found in many polyatomic anions
A: oxygen

Q: the number of atoms found in the hypochlorite ion
A: three

Q: halides
A: salts of column VII on the periodic table

Q: anions
A: negatively charged ions

Q: these are extra or missing from atoms when ions are formed
A: electrons

Q: a common ending for polyatomic ions
A: ate

Q: the polyatomic ion containing two chromium atoms
A: dichromate

Q: one of the few polyatomic cations
A: ammonium

Q: the prefix for ions containing extra oxygen
A: per

Q: the number of atoms found in aluminium hydroxide
A: seven

Q: ions consisting of more than one atom
A: polyatomic

Q: the number of atoms in a sulfate ion
A: five