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Chapter 3 (Part 1)

Molecules and Compounds (Test 1)

QuestionAnswer
What kind of compound usually forms between two nonmetals? molecular
What kind of compound usually forms between a metal and a nonmetal? ionic
Metals tend to do what with electrons and become what kind of charged particle? lose; cation
Nonmetals tend to do what with electrons and become what kind of charged particle? gain; anion
Do you use number prefixes for ionic compounds? no
Do you use number prefixes for molecular compounds? yes
What is the charge of an ion from Group 1? +1
What is the charge of an ion from Group 2? +2
What is the charge of an ion from Group 3? +3
What is the charge of the silver (Ag) ion? +1
What is the charge of the zinc (Zn) ion? +2
What is the charge of the aluminum (Al) ion? +3
Ionic Compounds: For transition metals, you use what to indicate the charge of the ion? Roman numerals
What is the charge of an ion from Group 15? -3
What is the charge of an ion from Group 16? -2
What is the charge of an ion from Group 17? -1
Ionic Compounds: When naming, what do you change the element ending of the second element to? "ide"
To name an ionic compound, which ion do you name first? the cation
To name an ionic compound, which ion do you name last? the anion
The overall formula for an ionic compound must be what? electrically neutral. That is, the number of positive charges must equal the number of negative charges
In what instance when writing the formula for an ionic compound do you use parentheses? You use parentheses only if you have more than one of a polyatomic ion.
To name a molecular compound, what do you name first? the more positive element
To name a molecular compound, what do you name last? the more negative element
Do you use the "mono" prefix for molecular compounds in which there is only one of the first element? no
What should you name compounds whose first element is hydrogen like? ionic compounds
What will an acid consist of? any anion with enough hydrogen for neutrality
If the acid is formed from an anion ending in "ide", how should you name the acid? hydro -ic acid
If the acid is formed from an anion ending in "ate", how should you name the acid? -ic acid
If the acid is formed from an anion ending in "ite", how should you name the acid? -ous acid
What are the seven diatomic molecules? hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine
Created by: 2nenogirl