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Chapter 9 Chemistry

This is a review over chapter 9 in the Person Chemistry Textbook.

Question/ termAnswer/definition
monatomic ions Consist of a single atom with positive or negative charge resulting from the loss or gain of one or more valence electrons
Polyatomic ion Consists of more than one atom, and behaves as a unit and carries a charge.
Bianary compound A compound composed of two elements, and can be molecular or ionic compounds.
Criss Cross method The numerical value of the charge of each ion is crossed over and becomes the subscript for the other ion.
How do you name a bianary compound? Place the cation name first, followed by the anion name. Add a roman numeral if the metallic element has more than one ionic charge.
in order to name binary molecular compounds you must: first use the prefixes in the name to tell you the subscript of each element in the formula. Then, write the correct symbols for the two elements with the appropriate subscripts.
mono- 1
di- 2
tri- 3
tetra- 4
penta- 5
hexa- 6
hepta- 7
octa- 8
nona- 9
deca- 10
acid A compound that contains one or more hydrogen atoms and produces hydrogen ions when dissolved in water.
What is the first rule that helps you name an acid? When the name of the anion ends in -ide, the acid name begins with the prefix hydro-. The stem of the anion has the suffix -ic, followed by the word "acid."
What is the second rule that helps you name an acid? When the anion name ends in -ite, the acid name is the stem of the anion with the suffix -ous, followed by the word acid.
What is the third rule that helps you name an acid? When the anion name ends in -ate, the acid name is the stem of the anion with the suffix -ic, followed by the word "acid."
Base an ionic compound that produces hydroxide ions when dissolved in water.
Law of definite proportions States that in samples of anu chemical compound, the masses of the elements are always in the same proportions.
Law of multiple proportions Whenever the same two elements form more than one compound, the different masses of one element that combine with the same mass of the other elements are in the ratio of small whole numbers.
Created by: hihello2007
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