Study guide due tomorrow....I was absent i have no idea what to do
Help with my chemistry study guide.......my teacher didn't explain it well.....he went over it for only two days......he was suppose to go over it for a week, but the school had an issue with something and the class got held up.....I have a test Friday......this is my study guide it's due tomorrow....I really need help...please;,(
1. Compared with acids that have the suffix -ic, acids that have the suffix -ous contain
a.
more hydrogen.
c.
less oxygen.
b.
more oxygen.
d.
the same amount of oxygen.
2. A chemical formula includes the symbols of the elements in the compound and subscripts that indicate
a.
the number of electrons in each element.
b.
how many atoms or ions of each type are combined in the simplest unit.
c.
the formula mass.
d.
the charges on the elements or ions.
3. Changing a subscript in a correctly written chemical formula
a.
changes the number of protons represented by the formula.
b.
changes the charges on the other ions in the compound.
c.
changes the formula so that it no longer represents that compound.
d.
has no effect on the formula.
4. What is the formula for the compound formed by lead(II) ions and chromate ions?
5. What is the formula for tin(IV) chromate?
6. Name the compound CuCO3
7. What type of ions have names ending in -ide?
a.
only cations
c.
only metal ions
b.
only anions
d.
only gaseous ions
8. When Group 2A elements form ions, they ____.
a.
lose two protons
c.
lose two electrons
b.
gain two protons
d.
gain two electrons
9. What is the correct name for the N ion?
a.
nitrate ion
c.
nitride ion
b.
nitrogen ion
d.
nitrite ion
10. When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a ____.
a.
prefix
c.
Roman numeral following the name
b.
suffix
d.
superscript after the name
11. Aluminum is a group 3A metal. Which ion does A1 typically form?
12. Skip
13. Which of the following correctly provides the names and formulas of polyatomic ions?
a.
carbonate: HCO; bicarbonate: CO
b.
nitrite: NO; nitrate: NO
c.
sulfite: S; sulfate: SO
d.
chromate: CrO; dichromate: CrO
14. Skip
15. Which of the following is true about the composition of ionic compounds?
a.
They are composed of anions and cations.
b.
They are composed of anions only.
c.
They are composed of cations only.
d.
They are formed from two or more nonmetallic elements.
16. Skip
17. Which element, when combined with fluorine, would most likely form an ionic compound?
a.
lithium
c.
phosphorus
b.
carbon
d.
chlorine
18. Skip
19. Skip
20. Skip
21. What is the correct formula for potassium sulfite?
22. Which set of chemical name and chemical formula for the same compound is correct?
a.
ammonium sulfite, (NH)S
c.
lithium carbonate, LiCO
b.
iron(III) phosphate, FePO
d.
magnesium dichromate, MgCrO
23. What is the ending for the names of all binary compounds, both ionic and molecular?
a.
-ide
c.
-ade
b.
-ite
d.
-ate
24. Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number?
a.
deca-, 7
c.
hexa-, 8
b.
nona-, 9
d.
octa-, 4
25. Which of the following formulas represents a molecular compound?
a.
ZnO
c.
SO
b.
Xe
d.
BeF
26. When dissolved in water, acids produce ____.
a.
negative ions
c.
hydrogen ions
b.
polyatomic ions
d.
oxide ions
27. Which of the following shows both the correct formula and correct name of an acid?
a.
HClO, chloric acid
c.
HPO, phosphoric acid
b.
HNO, hydronitrous acid
d.
HI, iodic acid
28. What is the name of HSO?
a.
hyposulfuric acid
c.
sulfuric acid
b.
hydrosulfuric acid
d.
sulfurous acid
29. What is the formula for sulfurous acid?
30. What is the formula for phosphoric acid?
31. What is the formula for hydrosulfuric acid?
32.Select the correct formula for sulfur hexafluoride.
33. What is the correct name for the compound CoCl?
34. What is the correct formula for barium chlorate?
35. What is the correct formula for calcium dihydrogen phosphate?
36. Which of the following is the correct name for N2O5?
a.
nitrous oxide
c.
nitrogen dioxide
b.
dinitrogen pentoxide
d.
nitrate oxide
37. What is the correct name for Sn3(PO4)2?
a.
tritin diphosphate
c.
tin(III) phosphate
b.
tin(II) phosphate
d.
tin(IV) phosphate
Help with my chemistry study guide.......my teacher didn't explain it well.....he went over it for only two days......he was suppose to go over it for a week, but the school had an issue with something and the class got held up.....I have a test Friday......this is my study guide it's due tomorrow....I really need help...please;,(
1. Compared with acids that have the suffix -ic, acids that have the suffix -ous contain
a.
more hydrogen.
c.
less oxygen.
b.
more oxygen.
d.
the same amount of oxygen.
2. A chemical formula includes the symbols of the elements in the compound and subscripts that indicate
a.
the number of electrons in each element.
b.
how many atoms or ions of each type are combined in the simplest unit.
c.
the formula mass.
d.
the charges on the elements or ions.
3. Changing a subscript in a correctly written chemical formula
a.
changes the number of protons represented by the formula.
b.
changes the charges on the other ions in the compound.
c.
changes the formula so that it no longer represents that compound.
d.
has no effect on the formula.
4. What is the formula for the compound formed by lead(II) ions and chromate ions?
5. What is the formula for tin(IV) chromate?
6. Name the compound CuCO3
7. What type of ions have names ending in -ide?
a.
only cations
c.
only metal ions
b.
only anions
d.
only gaseous ions
8. When Group 2A elements form ions, they ____.
a.
lose two protons
c.
lose two electrons
b.
gain two protons
d.
gain two electrons
9. What is the correct name for the N ion?
a.
nitrate ion
c.
nitride ion
b.
nitrogen ion
d.
nitrite ion
10. When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a ____.
a.
prefix
c.
Roman numeral following the name
b.
suffix
d.
superscript after the name
11. Aluminum is a group 3A metal. Which ion does A1 typically form?
12. Skip
13. Which of the following correctly provides the names and formulas of polyatomic ions?
a.
carbonate: HCO; bicarbonate: CO
b.
nitrite: NO; nitrate: NO
c.
sulfite: S; sulfate: SO
d.
chromate: CrO; dichromate: CrO
14. Skip
15. Which of the following is true about the composition of ionic compounds?
a.
They are composed of anions and cations.
b.
They are composed of anions only.
c.
They are composed of cations only.
d.
They are formed from two or more nonmetallic elements.
16. Skip
17. Which element, when combined with fluorine, would most likely form an ionic compound?
a.
lithium
c.
phosphorus
b.
carbon
d.
chlorine
18. Skip
19. Skip
20. Skip
21. What is the correct formula for potassium sulfite?
22. Which set of chemical name and chemical formula for the same compound is correct?
a.
ammonium sulfite, (NH)S
c.
lithium carbonate, LiCO
b.
iron(III) phosphate, FePO
d.
magnesium dichromate, MgCrO
23. What is the ending for the names of all binary compounds, both ionic and molecular?
a.
-ide
c.
-ade
b.
-ite
d.
-ate
24. Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number?
a.
deca-, 7
c.
hexa-, 8
b.
nona-, 9
d.
octa-, 4
25. Which of the following formulas represents a molecular compound?
a.
ZnO
c.
SO
b.
Xe
d.
BeF
26. When dissolved in water, acids produce ____.
a.
negative ions
c.
hydrogen ions
b.
polyatomic ions
d.
oxide ions
27. Which of the following shows both the correct formula and correct name of an acid?
a.
HClO, chloric acid
c.
HPO, phosphoric acid
b.
HNO, hydronitrous acid
d.
HI, iodic acid
28. What is the name of HSO?
a.
hyposulfuric acid
c.
sulfuric acid
b.
hydrosulfuric acid
d.
sulfurous acid
29. What is the formula for sulfurous acid?
30. What is the formula for phosphoric acid?
31. What is the formula for hydrosulfuric acid?
32.Select the correct formula for sulfur hexafluoride.
33. What is the correct name for the compound CoCl?
34. What is the correct formula for barium chlorate?
35. What is the correct formula for calcium dihydrogen phosphate?
36. Which of the following is the correct name for N2O5?
a.
nitrous oxide
c.
nitrogen dioxide
b.
dinitrogen pentoxide
d.
nitrate oxide
37. What is the correct name for Sn3(PO4)2?
a.
tritin diphosphate
c.
tin(III) phosphate
b.
tin(II) phosphate
d.
tin(IV) phosphate