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Chapter 3 (Part 1)
Molecules and Compounds (Test 1)
| Question | Answer |
|---|---|
| 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
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