Naming Compounds + polyatomic ions

Question 1

Per…….ate

Answer 1

+O

Ex. Perchlorate ClO4-

Question 2

……ate

Answer 2

Standard form of polyatomic ion

Ex.
Chlorate ClO3-

Question 3

______ite

Answer 3

-O
Ex.
Chlorite ClO2-

Question 4

Hypo_____ite

Answer 4

-O2
Ex.
Hypochlorite ClO-

Question 5

Adding an H+ ions to an oxyanion?

2 H+ ions?

Answer 5

*Hydrogen followed by oxyanion name.
*adds +1 to oxyanions charge for each H+ atom
Ex.
Carbonate + hydrogen = hydrogen carbonate
CO3 2- + H+ = HCO3 -

2H+ atoms:
Dihydrogen + anion name
Ex. Dihydrogen + phosphate = dihydrogen phosphate
2 H+ + PO4 -3 = H2PO4 -

Question 6

Anion to acid:

Anion from periodic table

Answer 6

Change suffix to - ic and add prefix hydro- followed by word acid
Ex.
chlorine becomes hydrochloric acid (HCl)

Question 7

Changing anion to acid

Ends in -ate

Answer 7

Change -ate to -ic followed by word acid

Question 8

Changing anion to acid

Suffix -ite

Answer 8

Change suffix to -ous followed with word acid

Question 9

Hydrocarbons have what suffix?

Answer 9

-ane

Ex.
Methane

Question 10

What is a hydrocarbon?

Answer 10

Molecule containing only H and C atoms

Question 11

Name of first four hydrocarbons?

Answer 11

1. Methane
2. Ethane
3. Propane
4. Butane

Based on number of carbon atoms in the molecule

Question 12

Deca-

Answer 12

10

Question 13

Nona-

Answer 13

9

Question 14

Octa-

Answer 14

8

Question 15

Hepta-

Answer 15

7

Question 16

Hexa-

Answer 16

6

Question 17

Penta-

Answer 17

5

Question 18

Tetra-

Answer 18

4

Question 19

Tri-

Answer 19

3

Question 20

Di-

Answer 20

2

Question 21

Mono-

Answer 21

1

Question 22

Sulfate

Answer 22

SO4

2-

Question 23

Sulfite

Answer 23

SO3

2-

Question 24

Nitrate

Answer 24

NO3

-1

Question 25

Nitrite

Answer 25

NO2 | -1

Question 26

Acetate

Answer 26

CH3COO | -1

Question 27

Perchlorate

Answer 27

ClO4 | -1

Question 28

Carbonate

Answer 28

CO3 | 2-

Question 29

Chlorate

Answer 29

ClO3 | -1

Question 30

Hydrogen Carbonate

Answer 30

HCO3 | -1

Question 31

Hydroxide

Answer 31

OH | -1

Question 32

Cyanide

Answer 32

CN | -1

Question 33

Permanganate

Answer 33

MnO4 | -1

Question 34

Hypochlorite

Answer 34

ClO | -1

Question 35

Ammonium

Answer 35

NH4 | +

Question 36

Phosphate

Answer 36

PO4 | 3-

Question 37

Chromate

Answer 37

CrO4 | 2-

Question 38

Dichromate

Answer 38

Cr2O7 | 2-

Question 39

Chlorite

Answer 39

ClO2 | 1-

Question 40

Rules for naming Molecular Compounds

Answer 40

1. Name farthest to the left is written first. exceptions: *O and Cl *O and I *O and Br - In these cases O is written last 2. If both elements are in the same row lowest one is named first 3. Name of second element is given suffix -ide 4.Greek prefix is given to indicate the number of atoms of each element. exception: Mono- is not used on the first element ever