practice test (examples) Flashcards
(25 cards)
This compound Fe(NO3)3 is named
Iron (III) nitrate
Select the correct formula for magnesium hydroxide
Mg(OH)2
Select the correct formula for sulfuric acid
H2SO4
The correct name of this compound, Al2(CO3)3 is
Aluminum Carbonate
Barium sulfide’s formula is
BaS
Which of the following is not an ionic compound:
a. CaCl2
b. NaOH
c. CO2
d. LiBr
CO2
The formula for tetracarbon disulfide
C4S2
Indicate the correct formula for ammonium nitrate
NH4NO3
Identify which formula is an acid:
a. HBr
b. LiC2H3O2
c. C6H12O6
d. None of the above
HBr
Identify which of the following metals does NOT have more than one ionic charge:
a. Lead
b. Chromium
c. Magnesium
d. Manganese
Magnesium (it’s not a “special” metal)
Identify which of the following is the correct formula and charge for an oxalate anion:
a. CrO4 2-
b. CrO4 -
c. C2O4 -
d. C2O4 2-
C2O4 2-
Identify the proper formula for tetracarbon heptaoxide
a. C4O6
b. C4O7
c. C7O4
d. C3O7
C4O7
Identify which of the following compounds does not contain ionic bonds:
a. BeS
b. N2O4
c. CuO
d. SrF2
N2O4
Formulate cobalt (III) phosphate
Co(PO4)3
Copper (II) dichromate’s chemical formula is
CuCr2O7
The proper name of this formula, Sn(ClO3)4 is
Tin (IV) Chlorate
The correct name for this formula, (NH4)2SO3, is
Ammonium Sulfite
A silicate anion has a charge of:
SiO3 has a charge of 2-
The polyatomic ion, C2H3O2, is called:
acetate, with a charge of -1
Which of the following is the sulfite anion:
a. SO4 2-
b. SO3 2-
c. S -2
d. SiO3 2-
SO3 2-
The correct formula for an chromate anion is
CrO4 2-
If a cation and an anion have equal charges, then their chemical symbols can be combined without the use of subscripts.
(true or false)
True
Once an ionic compound is formed, the compound will have an overall net ionic charge of zero.
(true or false)
True
When writing names of binary molecular formulas, the first element in the combination always gets a number prefix
(true or false)
False
