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Naming Covalent Compounds Naming Covalent Compounds

Naming Covalent Compounds - PowerPoint Presentation

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Uploaded On 2016-03-06

Naming Covalent Compounds - PPT Presentation

Ch 16 Covalent Compounds Covalent bonds form when atoms share their valence electrons Covalent compounds are formed from 2 or more nonmetals Rules for Naming Covalent Compounds 1 Prefixes are used to show how many atoms of each element are present in the compound ID: 244307

compounds covalent carbon naming covalent compounds naming carbon monoxide element dinitrogen rules dioxide atoms binary ide diatomic tetraoxide prefixes tetrachloride chloride formulas

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Presentation Transcript

Slide1

Naming Covalent Compounds

Ch.

16Slide2

Covalent Compounds

Covalent bonds

form when atoms share

their valence electrons

.

Covalent compounds

are formed from 2 or more nonmetals.Slide3

Rules for Naming Covalent Compounds

1. Prefixes are used to show how many atoms of each element are present in the compound

Prefixes used for Naming Binary Covalent CompoundsSlide4

2. Second element is written with an –ide ending.

***All binary compounds, both ionic and covalent end in –ide.

3. The vowel at the end of the prefix is dropped when the name of the element begins with the same vowel.

Example: monoxide, not monooxide

Rules for Naming Covalent CompoundsSlide5

4. Mono is not written if there is just a single atom on the first element in the name.

Example: CO

2

carbon dioxide

not

monocarbon

dioxideExample: CO

carbon monoxide

Rules for Naming Covalent CompoundsSlide6

Diatomic Molecules

“BrINCl HOF”

How to Remember-

There are 7 nonmetals that exist in nature as diatomic molecules.

Di-Atomic

Formula: Br

2

I

2

N

2

Cl

2

H

2

O

2 F2

(means 2) atomsSlide7

Problems

Are the following compounds ionic or covalent?

a. H

2

O

b. Sodium chloride

c. CuSO

4

d. CO

e. Lithium hydroxide

f.

dinitrogen

tetraoxide

g. FeS

h.

Cobalt (III) chloride

i. H

2

S

j. PF

3Slide8

Writing Formulas From Names

Write the formulas for the following compounds.

1. carbon monoxide

2.

nonacarbon

tetrachloride

C

9

Cl

3.

hexabromine

dioxide

4. phosphorus

trichloride

5.

octanitrogen

pentafluoride

CO

4

Br

6

O

2

PCl

3

N

8

F

5Slide9

Naming Binary Compounds (Covalent)

1. SO

2

2. N

2

O

3. CCl

44. N2O5

Sulfur dioxide

Dinitrogen

monoxide

Carbon tetrachloride

Dinitrogen

pentaoxide

Dinitrogen

tetraoxide

Oxygen

difluoride

5.

N2O4

6

.

OF

2