= Acids = Any substance that releases H^+ ion in aqueous [[solution]], aka H is first in chemical formula * HCL * HCL + H,,2,,O => H,,3,,O^+ + Cl^- == Common Acids == * HF,,(g),, - hydrogen fluoride * HF,,(aq),, - hydofluoric acid * HCl,,(g),, - hydrogen chloride * HCl,,(aq),, - hydrocloric acid [[index]]