PIB Chemistry summer assignment

For the test on the first day of school
STUDY
PLAY
arsenate
AsO4 3-
acetate
C2H3O2 1-
hypochlorite
ClO 1-
chlorite
ClO2 1-
chlorate
ClO3 1-
perchlorate
ClO4 1-
carbonate
CO3 2-
chromate
CrO4 2-
dichromate
Cr2O7 2-
oxalate
C2O4 2-
bicarbonate
HCO3 1-
iodate
IO3 1-
permanganate
MnO4 1-
nitrite
NO2 1-
nitrate
NO3 1-
hydroxide
OH 1-
phosphite
PO3 3-
phosphate
PO4 3-
thiocyanate
SCN 1-
silicate
SiO3 2-