Covalent Bonding

Metals & nonmetals on the periodic table (yes you need to know this - click to enlarge!)

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Naming Covalent Compounds only:

Prefixes to know:

1 - mono

2- di

3- tri

4- tetra

5- penta

6- hexa

7- hepta

8- octa

9- nona

Naming Covalent Compound Rules:

If the first element is 1 do not give it a prefix.

CO = Carbon monoxide

(there is only one carbon atoms, so we just say carbon according to this rule.

Everything else gets a prefix

Carbon monoxide Although there is only one oxygen atom it comes second so it gets a prefix (1 = mono, so it is monoxide).

Last element gets ide.

Naming Both Covalent (Molecular) AND Ionic Compounds