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- 1. Multiple Choice
Which of the following is true?
The name of an ionic compound always puts first the cation, which is positively charged.
The name of an ionic compound sometimes puts first the cation, which is positively charged.
The name of an ionic compound always puts first the cation, which is negatively charged.
The name of an ionic compound sometimes puts first the cation, which is negatively charged.
- 2. Multiple Choice
Which of the following is true?
The name of an ionic compound always puts last the anion, which is negatively charged.
The name of an ionic compound always puts last the cation, which is negatively charged.
The name of an ionic compound always puts last the anion, which is positively charged.
The name of an ionic compound always puts last the cation, which is positively charged.
- 3. Multiple Choice
The formula unit for a certain ionic compound contains parentheses. What must be true?
The formula unit contains more than one of the same polyatomic ion.
The formula unit contains two different polyatomic ions.
The formula unit contains no polyatomic ions.
The formula unit contains either a polyatomic cation or a polyatomic anion, but not both.
- 4. Multiple Choice
Which of the following is true?
"Swap and drop" is used to write the formula unit for any ionic compound."
Swap and drop" is used to name any ionic compound.
"Swap and drop" is used to name only ionic compounds with polyatomic ions.
"Swap and drop" is used to write the formula unit for an ionic compound, but only if it contains polyatomic ions.
- 5. Multiple Choice
Which of the following is true? (SELECT ALL THAT APPLY.)
All polyatomic ions contain multiple atoms.
All polyatomic ions are charged.
All polyatomic ions contain multiple elements.
All polyatomic ions contain more electrons than protons.
- 6. Multiple Choice
Which of the following ionic compounds has parentheses in its name (NOT formula unit)? (SELECT ALL THAT APPLY.)
Cu2O
Pb(OH)4
Zn(C2H3O2)2
Be(CN)2
- 7. Multiple Choice
Which of the following is true regarding simplifying during "swap and drop" (step 3)? (SELECT ALL THAT APPLY.)
When there is only one of any ion, do not write 1 as a subscript.
When the cation and the anion have the same change, one positive and one negative, don't write any subscripts.
When charges of both the cation and the anion are even, divide the subscripts by 2.
When there is only one of a polyatomic ion, it must go in parentheses with a 1 on the outside.
- 8. Multiple Choice
Which of the following is true about polyatomic ions?
Most polyatomic ions are anions.
Most polyatomic ions are cations.
All polyatomic ions are anions.
All polyatomic ions are cations.
- 9. Multiple Choice
Which of the following elements do not typically form ions? (SELECT ALL THAT APPLY.)
Carbon
Boron
Silicon
Hydrogen
- 10. Multiple Choice
Which of the following transition metals typically form only one type of cation? (SELECT ALL THAT APPLY.)
Scandium
Zinc
Silver
Gold
- 11. Multiple Choice
Which of the following main-group metals typically form multiples types of cations? (SELECT ALL THAT APPLY.)
Tin
Lead
Aluminum
Germanium
- 12. Multiple Choice
Alkali metals all typically form what charge?
+1, written +
+1, written 1+
+2, written +2
+2, written 2+
- 13. Multiple Choice
Alkaline-earth metals all typically form what charge?
+2, written 2+
+1, written 1+
+2, written +2
+1, written +
- 14. Multiple Choice
Which of the following is true about gallium?
Gallium has three valence electrons, which it loses to form Ga3+.
Gallium has thirteen valence electrons, which it loses to form Ga3+.
Gallium has three valence electrons, and gains more to form Ga3+.
Gallium has thirteen valence electrons, and gains more to form Ga3+.
- 15. Multiple Choice
Which of the following is true about metalloids? (SELECT ALL THAT APPLY.)
There are seven metalloids (according to how they were defined in class).
Metalloids behave in some ways like metals, and in some ways like nonmetals.
Germanium is a metalloid that acts like a metal to form cations, but arsenic is a metalloid that acts like a nonmetal to form anions.
Metalloids never form ions.
- 16. Multiple Choice
Halogens all typically form what charge?
-1, written - as a superscript
-1, written 1- as a subscript
-1, written - as a subscript
-1, written 1- as a superscript
- 17. Multiple Choice
Which of the following is true about noble gases?
Noble gases are chemically inert and don't tend to form ions.
Noble gases are chemically very active and don't tend to form ions.
Noble gases are chemically inert and tend to form multiple ions.
Noble gases are chemically very active and tend to form multiple ions.
- 18. Multiple Choice
When naming an ionic compound containing a metal that forms multiple types of cations, how is the metal's charge written?
The metal's charge is written as a Roman numeral in parentheses after the element's name.
The metal's charge is written as a Roman numeral in parentheses before the element's name.
The metal's charge is written as an ordinary number in parentheses after the element's name.
The metal's charge is written as an ordinary number in parentheses before the element's name.
- 19. Multiple Choice
What is oxide?
O2-
O
O2-
O22-
- 20. Multiple Choice
How many total electrons are in phosphate?
50
47
44
53
- 21. Multiple Choice
Name: Fe(OH)2
Iron(II) hydroxide
Iron hydroxide
Iron(I) hydroxide
Iron(III) hydroxide
- 22. Multiple Choice
Name: (NH4)2CO3
Ammonium carbonate
Ammonium(II) carbonate
Ammonium(I) carbonate
Ammonium carbon trioxide
- 23. Multiple Choice
Name: Ag2SO4
Silver sulfate
Silver(I) sulfate
Silver sulfite
Silver(I) sulfite
- 24. Multiple Choice
Name: Sn(C2H3O2)2
Tin(II) acetate
Tin(I) acetate
Tin acetate
Tin(IV) acetate
- 25. Multiple Choice
Name: Au2S
Gold(I) sulfide
Gold sulfide
Gold(I) sulfite
Gold(III) sulfide
- 26. Multiple Choice
Determine the formula unit: Lead(IV) oxide
PbO2
Pb4O
PbO4
Pb2O
- 27. Multiple Choice
Determine the formula unit: Ammonium nitrate
NH4NO3
NH4NO2
NH3NO4
NH2NO4
- 28. Multiple Choice
Determine the formula unit: Scandium chromate
Sc2(CrO4)3
Sc3(CrO4)2
ScCrO4
Sc2(CrO4)2
- 29. Multiple Choice
Determine the formula unit: Copper(I) oxalate
Cu2C2O4
Cu(C2O4)2
CuC2O4
Cu2(C2O4)2
- 30. Multiple Choice
Determine the formula unit: Zinc chlorate
Zn(ClO3)2
Zn(ClO2)2
Zn2ClO3
Zn2ClO2
- 31. Multiple Choice
How many atoms are in (NH4)2SO4?
15
10
14
9
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