Chem 12/15
The formula for ammonium carbonate is
(NH4)2CO3
What s the correct formula for ammonium sulfide?
(NH4)2S
What is the charge of the iron ion in Fe2O3
+3
Predict the formula of the ionic compound that forms from aluminum and oxygen
Al2O3
he correct name for Al2O3 is
Aluminum oxide
The ions Ca2+ and PO43- form a compound with the formula
Ca3(PO4)2
Predict the formula of the ionic compound that forms from Calcium and Fluorine
CaF2
When Calcium reacts with sulfur the compound formed is
CaS
The correct name for CaH2 is
Calcium hydroxide
Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is __________.
Chromium (III) chloride
Which of the following compounds is chromium (III) oxide?
Cr2O3
Which of the following compounds is copper (I) chloride
CuCl
The correct formula of iron (III) bromide is ___
FeBr3
Metals tend to _______ electrons and nonmetals tend to _______ electrons
Lose, gain
The correct name for Mg(ClO3)2
Magnesium chlorate
The correct name for MgF2 is
Magnesium fluoride
Predict the formula of the ionic compound that forms from Magnesium and fluorine
MgF2
Predict the formula of the ionic compound that forms from magnesium and oxygen
MgO
What is a nitride ion?
N3-
Which of the following compounds would you expect to be ionic? a. H2O b. CO2 c. SrCl2 d. SO2 e. H2S
SrCl2
The correct name for SrO is
Strontium oxide
Which metal is not required to have its charge specified in the names of ionic compounds it forms a. Mn b. Fe c. Cu d. Ca e. Pb
d. Ca
Which metal is capable of forming more than one cation? a. Li b. Ba c. Sr d. Al e. Sn
e. Sn
How many total carbonate ions would be present in the formula for aluminum carbonate?
3
Anions tend to have a ____________ charge and cations tend to have a ________ charge
Negative, positive
Anions tend to be _________ and cations tend to be _____
Nonmetals, metals
The correct name for K2S is
Potassium sulfide
The correct name for Na3N is
Sodium nitride
Which of the following is not ionic? a. PCl5 b. CrCl6 c. RbCl d. PbCl2 e. NaCl
a. PCl5