Writing Formulae and Naming

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Presentation transcript:

Writing Formulae and Naming Chapter 19 Section 3b

Hydrates Hydrates are compounds that have water added into the formula The water is part of the compound, not dissolving it Naming: A prefix indicating the number of water molecules and –hydrate is added to the name

Hydrate example Copper (II) sulfate exists as a hydrate: Name: copper (II) sulfate pentahydrate Write formula:

Naming Binary Covalent Compounds Name of a covalent compound indicates the number of atoms Name first element If there is more than one atom, use prefix to indicate the number Use a prefix for the second element, then the root name, then the suffix -ide

Binary Compound Examples N2O NO NO2 N2O5 You can find a list of prefixes on page 593!