polya

Cards (9)

  • *CO32- (carbonate)
  • *NO3 (nitrate)
  • *PO43- (phosphate)
  • *SO42- (sulfate)
    • *ClO3 (chlorate)
    • *BrO3 (bromate)
    • *IO3 (iodate)
  • *NH4+ (ammonium)
  • *OH- (hydroxide)