1
2
3
4
5
100

hydride

H-

100
silver

Ag+

100

Li+

lithium
100

Al3+

aluminum
100

sodium

Na+

200

fluoride

F-

200

Cu2+

copper (II)

200

strontium

Sr2+

200

O2-

oxide

200

chromium (III)

Cr3+

300

Calcium

Ca2+

300

zinc

Zn2+

300

Br-

bromide

300

barium

Ba2+

300

nitrite

NO2-

400

ClO3-

chlorate

400

lead (II)

Pb2+

400

CNO-

cyanate

400

cobalt (III)

Co3+

400

PO43-

phosphate

500

SO32-

sulfite

500

peroxide

O22-

500

thiocyanate

SCN-

500

acetate

CH3CO2-

500

Cr2O72-

dichromate