Chapter 2 (Polyatomic ions)

Question 1

Acetate

Answer 1

C2H3O2 -1

Question 2

Hydroxide

Answer 2

OH -1

Question 3

Nitrite

Answer 3

NO2 -1

Question 4

Nitrate

Answer 4

NO3 -1

Question 5

Phosphite

Answer 5

PO3 3-

Question 6

Phosphate

Answer 6

PO4 3-

Question 7

Carbonate

Answer 7

CO3 2-

Question 8

Bicarbonate or Hydrogen Carbonate

Answer 8

HCO3 -1

Question 9

Sulfite

Answer 9

SO3 2-

Question 10

Sulfate

Answer 10

SO4 2-

Question 11

Bisulfate or Hydrogen Sulfate

Answer 11

HSO4 -1

Question 12

Hypochlorite

Answer 12

ClO -1

Question 13

Chlorite

Answer 13

ClO2 -1

Question 14

Chlorate

Answer 14

ClO3 -1

Question 15

Perchlorate

Answer 15

ClO4 -1

Question 16

Cyanide

Answer 16

CN -1

Question 17

Peroxide

Answer 17

O2 2-

Question 18

Azide

Answer 18

N3 -1

Question 19

Ammonium

Answer 19

NH4 +1

Question 20

Hydronium

Answer 20

H3O +1

Question 21

What are the naturally occuring diatomic molecules?

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Answer 21

H2 - Hydrogen
N2 - Nitrogen
F2 - Fluorine
O2 - Oxygen
I2 - Iodine
Cl2 - Chlorine
Br2 - Bromine

Question 22

What is an Ionic compound?

Answer 22

Metals combined with non-metals
- Use Empirical Formula
- Particle Form: Formula units
Ex. NaCl, Na2O

Question 23

What is a molecular compound?

Answer 23

Formed from non-metals ONLY

• Particle Form: Molecules
  Ex. H2O, CH4