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