Table 5 Naming Binary Acids 2 Naming Oxyacids Oxyacids are acids that contain

Table 5 naming binary acids 2 naming oxyacids

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Table 5. Naming Binary Acids 2) Naming Oxyacids Oxyacids are acids that contain hydrogen, oxygen, and another element. When naming oxyacids: Add -ic to the stem of the element if the anion ends in -ate Add -ous to the stem of the element is the anion ends in -ite For example, the stem of the element nitrogen is nitr: nitr ate ion (NO3−) nitr ic acid (HNO3) nitr ite ion (NO2−) nitr ous acid (HNO2) In cases where an element forms more than two oxyacids, the prefixes per- (for the largest 6 Adapted from1. Van Koppen, P. A. M. General Chemistry Laboratory Manual Second Edition. McGraw-Hill: New York,2007, 15-26.2. Chang, R. Chemistry Tenth Edition. McGraw-Hill: New York, 2010, 59-70.
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number of oxygen atoms in the oxyacid) and hypo- (for the smallest number of oxygen) are used, just as for the oxyanions. Table 6 below shows some examples for naming oxyacids. 3) Naming Organic Acids The stems for the common organic acids are nonsystematic and must be memorized. The same relation as for oxoacids holds between the names of the ion and the acid. For example, acetate ion (CH 3 COO−) acetic acid (CH 3 COOH) Bases: A base can be described as a substance that yields hydroxide ions (OH−) when dissolved in water. To name the base, first name the element of the cation, then follow it with hydroxide to identify the OH− anion. Some examples: Base Cation Anion Name of base NaOH Na + OH sodium hydroxide KOH K + OH potassium hydroxide Ba(OH) 2 Ba 2+ OH barium hydroxide 4) Naming Hydrates Hydrates are compounds that have a specific number of water molecules attached to them. For example, in its normal state lithum chloride has one water molecule associated with it. The systematic name for this compound is lithium chloride monohydrate , and its formula is written as LiCl • H 2 O. To name hydrate compounds, first name the ionic compound ( lithium chloride ) then name the specific number of water molecules attached using the Greek prefixes shown in Table 4. Below are some common examples for naming hydrates. Hydrates Ionic compound Water molecules Name of Hydrate BaCl 2 • 2H 2 O barium chloride dihydrate barium dihydrate MgSO 4 •7H 2 O magnesium sulfate heptahydrate magnesium sulfate heptahyrate Procedure: 7 Adapted from1. Van Koppen, P. A. M. General Chemistry Laboratory Manual Second Edition. McGraw-Hill: New York,2007, 15-26.2. Chang, R. Chemistry Tenth Edition. McGraw-Hill: New York, 2010, 59-70.
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Naming Inorganic compounds: 1. Using what you have learned about naming inorganic compounds, work in teams to complete the nomenclature worksheet. 2. Be sure to complete all the examples in the worksheet. Inorganic Nomenclature Worksheet Dry Lab: Experiment 3 Name __________________________________ Section________________________________ Date ______________________________________ This worksheet is to be completed in lab. 1. Ionic Compounds Write the symbol and charge of the cation, the symbol and charge of the anion, and the chemical formula for each of the following compounds. compound cation anion Chemical formula lithium fluoride potassium oxide magnesium iodide calcium nitride barium sulfide aluminum oxide Transition metal compounds Compound cation anion Chemical formula lead (IV) oxide chromium (III) oxide 8 Adapted from1. Van Koppen, P. A. M. General Chemistry Laboratory Manual Second Edition.
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