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CHEM1211 Exam 2

QuestionAnswer
Ionic bonds Oppositely chard ions (metal+nonmetal, cation+anion) - Electrons are transferred
Covalent bonds Electrons are shared by atoms (between nonmetals)
Charge of Zn 2+ (Zinc)
Charge of Cd 2+ (Cadmium)
Charge of Ag 1+ (Silver)
Which is written first in an ionic compound formula? Cation
When to use -ide? Ionic compound that have cations with only one oxidation state
When to use Roman numerals? Elements with multiple possible oxidation states
Solution Solute+solvent
Solute Substance dissolved in a solvent
Solvent Dissolving medium in a solution
Aqueous solutions A solution in which water is the dissolving medium or solvent
Electrolytes Ionic compounds and acids/bases
Nonelectrolytes Covalent molecules and organic molecules
Strong electrolytes Substances that are completely ionized when dissolved in water, conduct electricity very well
Weak electrolytes Substances that exhibit slight ionization when dissolved in water; conducts some electricity, but not much
NH3 and amines Weak bases
Nonelectrolytes Substances that exhibit no ionization when dissolved in water; no electrical conductivity
Alcohols Simple organic compound, denoted by an -OH functional group
What are the four different organic compounds Alkhanes, carboxylic acids, alcohols, and amines
Organic compound Carbon-hydrogen containing molecules that can also have oxygen, nitrogen, sulfur, etc.
Amines Simple organic compound, containing carbon-nitrogen bonds
Carboxylic acid Simple organic compound, denoted by a -COOH functional group
Alkanes Simplest class of organic molecules, only containing carbon and hydrogen
Acid Molecules that have at least one H+ ion attached to an anion, and if the molecule is dissolved in water
Nomenclature for if acid does not contain oxygen Hydro prefix and -ic suffix
Nomenclature for if acid does contain oxygen (-ate) -ic
Nomenclature for if acid does contain oxygen (-ite) -ous
Spectator ions The ions that are present in a solution that do not need to participate directly in a reaction
Net ionic equation An equation for a reaction
Empirical Simplest whole number ratio of atoms in a compound
Molecular formula The exact formula of a molecule; when determining this the molar mass is needed
Hydration/Ionization reactions When an ionic compound goes into an aqueous solution (is hydrated), it breaks up into individual ions
Created by: ephemeral
 

 



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