Chemistry 12 U Nomenclature

Nomenclature rules and review

What are the prefixes associated with each number?

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

What are the prefixes associated with each number?

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

1. mono

2. di

3. tri

4. tetra

5. penta

6. hexa

7. hepta

8. octo

9. nona

10. deca

what do all covalent compounds end with?

end with the ending “ide”

what is a covalent compound?

a compound with covalent bonds (sharing of valence electrons)

what do most polyatomic ions end in? what does this signify?

end in “ate”

signifies that no oxygen atoms have been gained or lost

name all the polyatomic endings and how many oxygen atoms are gained or lost from the original polyatomic ion

1.

2.

3.

4.

+1 O - per __ ate

0 O - ate

-1 O - ite

-2 O - hypo __ ite

How do you name a binary vs non-binary acid?

What changes do you have to make to ending of the non-binary acid?

Binary acid - hydro __ acid

• Hydrogen + one element

Non-binary acid - polyatomic name suffix acid

• hydrogen + polyatomic ion

  • ite → ous

  • ate → ic

What does adding “per” to the beginning of oxygen with oxygen do?

• Indicates a oxygen-oxygen single bond

• Peroxide

• Two oxygen atoms with a charge of -2

Does an element with the suffix ic or ous have the higher charge?

ic → higher charge

ous → lower charge

Name:

Pb(H2PO4)2

lead (IV) dihydrogen phosphate

Name: Hg2I2

mercury (I) iodide

What is the formula for nitrous acid

HNO2

what is the formula for iodine heptafluoride

IF₇