Chapter 3

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

What is the correct formula for copper(II) phosphate? Cu2PO4 CU3(PO4)2 CU2PO3 CU(PO4)2 CU(PO3)2

CU3(PO4)2

Which of the following ionic compounds is least likely to be correct? NH4Cl Ba(OH)2 Na2SO4 Ca2NO3 Cu(CN)2

Ca2NO3

What is the formula of the ionic compound formed by calcium and selenium? CaSe Ca2Se CaSe2 Ca3Se CaSe3

CaSe

What is the name of ClO-? Hypochlorite Chlorate Chlorite Perchlorate Perchlorite

Hypochlorite

What is the chemical formula for diiodine pentaoxide? I2O5 IO5 2IO5 I5O2

I2O5

What is the formula formed from K+ and O2-? K3O2 K2O K2O3 KO2

K2O

Which of these compounds is most likely to be ionic? KF CCl4 CS4 CO2 ICl

KF

Which of the following is an ionic compound? H2S NH3 I2 KI CCl4

KI

What is the formula of Potassium Permanganate? KMnO3 KMnO4 K2MnO4 K(MnO4)2

KMnO4

Which of these compounds in most likely to be covalent? Rb2S SrCl2 CS2 CaO MgI2

CS2

What types of elements undergo covalent bonding? A nonmetal and a metal Two nonmetals

Two nonmetals

Which of the following is a substance? Air Tap water Sea water Water Toothpaste

Water

Determine the charge of X in X2S +2 +1 -1 -2

+1

Determine the charge of X in XO +2 +1 -1 -2

+2

Determine the charge of X in the compound XCl2 +2 +1 -1 -2

+2

Determine the charge of X in NaX +2 +1 -1 -2

-1

Determine the charge of the unknown ion X in AlX3 +2 +1 -1 -2

-1

Determine the charge of X in Mg3X2 +2 +3 -3 -2

-3

What types of elements undergo ionic bonding? Two metals A nonmetal and a metal Two nonmetals

A nonmetal and a metal

Which of these compounds is most likely to be ionic? NCl3 BaCl2 CO SO2 SF4

BaCl2

Which of the following oxoanions of bromine is called the bromate ion? BrO3- BrO3 2- BrO4 2- BrO2- BrO-

BrO3-

Which of the following is the empirical formula for hexane, C6H14 (talking) C12H28 C6H14 C3H7

C3H7

Which of the following is a molecular formula for a compound with a empirical formula of CH? C2H6 C3H9 C4H10 C6H6 None

C6H6

What is the common name for HClO3 Hydrocloric acid Chloroform Hydrocloric trichloride Chlorous acid Chloric acid

Chloric acid

Which of the following exists as a diatonic molecule in the elemental state? Li Ne Cl Cu

Cl

Most likely to form an ionic compound Cl I Al K Cl Mg C S Al Mg

Cl Mg

Which of the following is a covalent compound? Na2O CaCl2 Cl2O CsCl Al2O3

Cl2O

Which of these examples is a physical property A. Corrosiveness of sulfuric acid B. Toxicity of cyanide C. Flammability of gasoline D. Neutralization of stomach acid with an antacid E. Lead becomes a liquid when heated to 601° C

E

The chemical formula for iron(II) nitrate is Fe2(NO3)3 Ir(NO2)2 Fe(NO3)2 Fe(NO2)2

Fe(NO3)2

What is the formula of ferric oxide? FeO Fe2O FeO3 Fe2O5 Fe2O3

Fe2O3

If a liquid contains a percent sugar and a percent water, what is it called? Compound Homogenous mixture Heterogenous mixture

Homogenous mixture

Determine the formula of the compound formed from Mg2+ and P3- Mg3P2 MgP Mg2P3 Mg P2

Mg3P2

The formula for magnesium sulfate is MgS MgSO4 MgSO3

MgSO4

What is the formula for the permaganate ion? KMnO4 is the potassium permaganate non-ion

MnO4-

The formula for sodium sulfide is Na S Na S2 Na2 S

Na2 S

Which of the following elements exists as a diatomic molecule in its elemental state? O He Mg Xe

O

Which of these pairs would be most likely to form an ionic bond? P and Br Cu and K C and O O and Zn Al and Rb

O and Zn

What is the formula of lead(II) oxide? PbO PbO2 Pb2O PbO4 Pb2O3

PbO

What is the name of PCl3? Phosphorus Chloride Phosphoric Chloride Phosphorus Trichlorate Phosphorus Trichloride

Phosphorus Trichloride

Which of these compounds is most likely to be covalent? KF CaCl2 SF4 Al2O3 CaSO4

SF4

Which of these compounds is most likely to be ionic? GaAs SrBr2 NO2 CBr4 H2O

SrBr2

Lewis dot structure: Symbol Number Dots Plus/minus

Symbol/Number/Plus/Minus

What is the name of P4S10? Phosphorus sulfide Phosphorus decasulfide Tetraphosphorus decasulfide Phosphorus sulfide

Tetra/deca

What is the name of P4Se3? Phosphorus Selenide Phosphorus triselenide Tetraphosphorus selenide Tetraphosphorus triselenide

Tetra/tri


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