Names and Formulas of Binary Covalent Compounds

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Presentation transcript:

Names and Formulas of Binary Covalent Compounds Composed of covalent bonds (2 non-metals). Rules: First element (the one with lower electronegativity= farthest to the left or lowest in the group) is written first with the full name. The second element has the ending –ide Greek prefixes are used to indicate the number of atoms for each element. EXCEPT: Mono- is not used on the first element (ex. C2O2 is dicarbon dioxide while CO2 is carbon dioxide)

Prefixes show the number of each atom

Some examples with the first 5 prefixes Name the following molecules: 1. CO2 2. PCl3 3. BrF

Try these yourself Examples: 4. NO2 5. N2O 6. N2O5 7. SF6 8. P4O10

White Boards and Nomenclature! Write down your answer on the white board and hold it up when you think that you have the answer!

CO Carbon monoxide

CO2 Carbon dioxide

S2F6 Disulfur hexaflouride

P4O10 Tetraphosphorous decoxide

N2O4 Dinitrogen tetroxide

NCI3 Nitrogen trichloride

Phosphorous pentabromide PBr5 Phosphorous pentabromide

SiS2 Silicon disulfide

Dinitrogen tetraflouride N2F4 Dinitrogen tetraflouride

SeBr2 Selenium dibromide

Dichlorine trioxide Cl2O3

Carbon disulfide CS2

diphosphorous pentoxide P2O5

Selenium tetraflouride SeF4

Dichlorine difluoride Cl2F2

Dinitrogen trioxide N2O3

Disulfur trioxide S2O3