## Chemistry 9th Edition

$Na$ is Sodium. $AsO_4$ is Arsenate. Because $Na_3AsO_4$ is an ionic compound, the name is Sodium Arsenate. $AsO_4$ is Arsenate. Because of the leading H, the substance is an acid and is called Arsenic Acid. $Mg$ is Magnesium. $SbO_4$ is Antimonate. Because $Mg_3(SbO_4)_2$ is an ionic compound, the name is Magnesium Antimonate.