BELLWORK 12/8/16 On your worksheet, complete the Covalent Compounds Wksht (Page 2)

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BELLWORK 12/8/16 On your worksheet, complete the Covalent Compounds Wksht (Page 2)

Naming Covalent Compounds and Writing Formulas

1-- mono 2-- di 6-- hexa 7-- hepta 3-- tri 8-- octa 4-- tetra 9-- nona Prefixes are used to represent the number of atoms in a covalent compound. 1-- mono 2-- di 3-- tri 4-- tetra 5-- penta 6-- hexa 7-- hepta 8-- octa 9-- nona 10-- deca

2 Steps to Naming and Writing Molecular Compounds with Covalent Bonds Name the first non-metal. The first non-metal only gets a prefix if there is more than one atom. Name the second non-metal using the correct prefix and an “ide” ending *The second non-metal always receives a prefix. **When two vowels are placed next to each other, the last vowel of the prefix is dropped. Ex: monooxide would be written as monoxide. **The “i” in the prefixes “di” and “tri” are never dropped

EXAMPLES CO2 – carbon dioxide N2O5 – Dinitrogen pentoxide

You try . . . Cl2O Dichlorine monoxide

Carbon Monoxide CO Phosphorus Trichloride PCl3 CI4 Carbon Tetriodide

Writing The Molecular Formulas: Phosphorous Trichloride PCl3

Trinitrogen N3 Carbon Tetrachloride CCl4

Classwork / Homework Covalent Bond Formulas and Names Worksheet. Answer Key is on my website.