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BellRinger---POLYatomic IONS

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

What is PO4-3

(a)  

2.

What is NO3- ?

(a)  

3.

Name the polyatomic ion: CO3-2

(a)  

4.

Name the polyatomic ion: NH4+1

(a)  

5.

What is the name of C2H3O2-1 ?

(a)  

6.

Formula for Hydroxide

a)

OH

b)

OH-1

c)

OH+1

7.

Formula of Chlorate polyatomic ion?

a)

ClO-1

b)

ClO3

c)

ClO3-1

8.

Formula for Sulfate polyatomic ion?

a)

SO4-2

b)

SO4

c)

SO4+2

9.

What is the oxidation number of a phosphate ion?

(a)  

10.

What is the oxidation number of the ammonium ion?

(a)  

11.

What is the oxidation number of the hydroxide ion?

(a)  

12.

What is the oxidation number of a sulfate ion?

(a)  

13.

Nitrite

a)

N3-

b)

NO32-

c)

NO2-

d)

NO4-

14.

NO2-

a)
Nitride
b)
Nitrate
c)
Nitrite
d)
Ammonium
15.

Hydrogen Carbonate (bicarbonate)

a)

HCO3–

b)

CO32–

c)

CrO42–

d)

CN–

16.
Cyanide
a)
CrO4-2
b)
Cr2O4-2
c)
CO3-2
d)
CN-
17.

ClO4−1ClO_4^{-1}  

a)

perchlorate ion

b)

chromate ion

c)

dichromate ion

d)

oxalate ion

18.

Cr2O7−2Cr_2O_7^{-2}  

a)

dichromate ion

b)

hydroxide ion

c)

sulfate ion

d)

nitrate ion

19.

SCN-

(a)  

20.

MnO4−1MnO_4^{-1}  

a)

permanganate ion

b)

sulfate ion

c)

oxalate ion

d)

cyanide ion