A
B
C
D
100

NH_4^+

What is the ammonium ion?

100

CO_3^ (2-)

What is the carbonate ion?

100

CN^-

What is the cyanide ion?

100

C_2H_3O_2^-

What is the acetate ion?

200

NO_2^-

What is the nitrite ion?

200

OH^-

What is the hydroxide ion?

200

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200

Cr_2O_7 ^(2-)

What is the dichromate ion?

300

CrO_4 ^(2-)

What is the chromate ion?

300

NO_3^-

What is the nitrate ion?

300

ClO_3^-

What is the chlorate ion?

300

H_3O^+

What is the hydronium ion?

400

SO_3 ^(2-)

What is the sulfite ion?

400

PO_4 ^(3-)

What is the phosphate ion?

400

SO_4 ^(2-)

What is the sulfate ion?

400

ClO_2^-

What is the chlorite ion?

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