Given the table below, what is the chemical formula for a compound between Ca and the nitrate ion NO3-1? nitrate ion NO3-1

phosphate PO4-3

sulfate SO4-2

acetate C2H3O2-1

ammonium NH4+1

chromate CrO4-2

carbonate CO3-2

dichromate Cr2O7-2

permanganate MnO4-1

sulfite SO3-2

A.)Ca(NO 3) 2
B.)Ca 2NO 3
C.)CaNO 3
D.)Ca 2(NO 3) 3

how to make a simple air condition

it's filtration, but this is an assumption so my apologies if i got this

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".