Naming and Writing Formulas

26) The correct name for K2S is __________. A) potassium sulfate B) potassium disulfide C) potassium bisulfide D) potassium sulfide E) dipotassium sulfate

potassium sulfide

1) Sodium forms an ion with a charge of __________.

1+

Bromine forms an ion with a charge of __________.

1-

1) Oxygen forms an ion with a charge of __________.

2-

Aluminum forms an ion with a charge of __________.

3+

26) Which one of the following compounds is copper(I) chloride? A) CuCl B) CuCl2 C) Cu2Cl D) Cu2Cl3 E)Cu3Cl2

CuCl

26) The correct formula of iron(III) bromide is __________. A) FeBr2 B) FeBr3 C) FeBr D) Fe3Br3 E) Fe3Br

FeBr3

26) The correct name for SrO is __________. A) strontium oxide B) strontium hydroxide C) strontium peroxide D) strontium monoxide E) strontium dioxide

Strontium oxide

Anions tend to have a _______ charge and cations tend to have a _________ charge

negative, positive

1) Anions tend to be __________ and cations tend to be __________.

nonmetal, metals

26) The formula of ammonium carbonate is __________. A) (NH4)2CO3 B) NH4CO2 C) (NH3)2CO4 D) (NH3)2CO3 E) N2(CO3)3

(NH4)2CO3

4) Which species below is the nitride ion?

A) N3-

26) Predict the formula of the ionic compound that forms from Calcium and Fluorine. A) CaF2 B) C2F C) Ca2 F2 D) Ca2F3 E) Ca3F2

CaF2

1) Which of the following compounds would you expect to be ionic? A) SF6 B) H2O C) CO2 D) NH3 E) CaO

CaO

26) Predict the formula of the ionic compound that forms from magnesium and fluorine. A) Mg2F3 B) MgF C) Mg2F D) Mg3F2 E) MgF2

MgF2

26) Predict the formula of the ionic compound that forms from magnesium and oxygen. A) Mg2O B) MgO C) MgO2 D) Mg2O2 Mg3O2

MgO

1) Of the choices below, which one is not an ionic compound? A) PCl5 B) CrCl6 C) RbCl D) PbCl2 E) NaCl

PCl5

1) What is the formula of the compound formed between strontium ions and nitrogen ions? A) SrN B) Sr3N2 C) Sr2N3 D) SrN2 E) SrN3

Sr3N2

1) Which of the following compounds would you expect to be ionic? A) H2O B) CO2 C) SrCl2 D) SO2 E) H2S

SrCl2

__________ typically form ions with a 2+ charge.

alkaline earth metals

1) Which pair of elements is most likely to form an ionic compound with each other? A) barium, Chlorine B) calcium, sodium C) oxygen, fluorine D) sulfur, carbon E) nitrogen, hydrogen

barium, chlorine

26) Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is __________. A) chromium chlorine B) chromium(III) chloride C) monochromium trichloride D) chromium(III) trichloride E)chromic trichloride

chromium (III) chloride

Metals tend to ____________________ electrons and nonmetals tend to _________ electrons.

lose, gain

1) When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons.

metal, nonmetal