Question 1

What types of elements undergo covalent bonding?

Accepted Answer

A) a metal and a noble gas 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) an actinide 
A) a metal and a noble gas 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) an actinide

Question 2

Which of these compounds is most likely to be ionic?

Accepted Answer

A) GaAs 
B) SrBr2 
C) NO2 
D) CBr4 
E) H2O 
A) GaAs 
B) SrBr2 
C) NO2 
D) CBr4 
E) H2O

Question 3

Determine the formula of the compound formed from K+ and O2−.

Accepted Answer

A) K3O2 
B) K2O 
C) K2O3 
D) KO2 
A) K3O2 
B) K2O 
C) K2O3 
D) KO2

Question 4

Determine the charge on the unknown ion, X, in the compound Mg2X3.

Accepted Answer

A) +2 
B) +3 
C) -3 
D) -2 
A) +2 
B) +3 
C) -3 
D) -2

Question 5

Matter is anything that has mass and occupies space.

Accepted Answer

A) True 
 B)False

Question 6

Determine the charge on the unknown ion, A, in the compound A3N2.

Accepted Answer

A) +2 
B) +3 
C) -3 
D) -2 
A) +2 
B) +3 
C) -3 
D) -2

Question 7

Which of the following contains covalent bonds?

Accepted Answer

A) BaO 
B) IBr 
C) Mg 
D) LiBr 
E) Cu 
A) BaO 
B) IBr 
C) Mg 
D) LiBr 
E) Cu

Question 8

What is the formula for the ionic compound formed by calcium and selenium?

Accepted Answer

A) CaSe 
B) Ca2Se 
C) CaSe2 
D) Ca3Se 
E) CaSe3 
A) CaSe 
B) Ca2Se 
C) CaSe2 
D) Ca3Se 
E) CaSe3

Question 9

The juice from an orange is a mixture.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a 'substance' according to the definition given in your textbook?

Accepted Answer

A) Air 
B) Tap water 
C) Sea water 
D) Water 
E) Toothpaste 
A) Air 
B) Tap water 
C) Sea water 
D) Water 
E) Toothpaste

Question 11

What is the name of P4Se3 ?

Accepted Answer

A) phosphorus selenide 
B) phosphorus triselenide 
C) tetraphosphorus selenide 
D) phosphoric selenide 
E) tetraphosphorus triselenide 
A) phosphorus selenide 
B) phosphorus triselenide 
C) tetraphosphorus selenide 
D) phosphoric selenide 
E) tetraphosphorus triselenide

Question 12

Determine the formula of the compound formed from Al3+ and S2−.

Accepted Answer

A) Al3S2 
B) AlS 
C) Al2S3 
D) AlS2 
A) Al3S2 
B) AlS 
C) Al2S3 
D) AlS2

Question 13

What is the name of PCl3?

Accepted Answer

A) phosphorus chloride 
B) phosphoric chloride 
C) phosphorus trichlorate 
D) trichlorophosphide 
E) phosphorus trichloride 
A) phosphorus chloride 
B) phosphoric chloride 
C) phosphorus trichlorate 
D) trichlorophosphide 
E) phosphorus trichloride

Question 14

Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials.What is its formula?

Accepted Answer

A) KMnO3 
B) KMnO4 
C) K2MnO4 
D) K(MnO4)2 
E) K2Mn2O7 
A) KMnO3 
B) KMnO4 
C) K2MnO4 
D) K(MnO4)2 
E) K2Mn2O7

Question 15

Determine the charge on the unknown ion, X, in the compound AlX3.

Accepted Answer

A) +2 
B) +1 
C) -1 
D) -2 
A) +2 
B) +1 
C) -1 
D) -2

Question 16

Which of these compounds is most likely to be ionic?

Accepted Answer

A) KF 
B) CCl4 
C) CS2 
D) CO2 
E) ICl 
A) KF 
B) CCl4 
C) CS2 
D) CO2 
E) ICl

Question 17

Determine the charge on the unknown ion, X, in the compound NaX.

Accepted Answer

A) +2 
B) +1 
C) -1 
D) -2 
A) +2 
B) +1 
C) -1 
D) -2

Question 18

Which one of the following formulas of ionic compounds is the least likely to be correct?

Accepted Answer

A) NH4Cl 
B) Ba(OH)2 
C) Na2SO4 
D) Ca2NO3 
E) Cu(CN)2 
A) NH4Cl 
B) Ba(OH)2 
C) Na2SO4 
D) Ca2NO3 
E) Cu(CN)2

Question 19

Which is the correct formula for copper(II) phosphate?

Accepted Answer

A) Cu2PO4 
B) Cu3(PO4)2 
C) Cu2PO3 
D) Cu(PO4)2 
E) Cu(PO3)2 
A) Cu2PO4 
B) Cu3(PO4)2 
C) Cu2PO3 
D) Cu(PO4)2 
E) Cu(PO3)2

Question 20

Determine the charge on the unknown ion, X, in the compound MgX2.
A.+2
B.+1
C.-1
D.-2

Accepted Answer

To determine the charge on the unknown i

What types of elements undergo covalent bonding?

Which of these compounds is most likely to be ionic?

Determine the formula of the compound formed from K⁺ and O²⁻.

Determine the charge on the unknown ion, X, in the compound Mg₂X₃.

Matter is anything that has mass and occupies space.

Determine the charge on the unknown ion, A, in the compound A₃N₂.

Which of the following contains covalent bonds?

What is the formula for the ionic compound formed by calcium and selenium?

The juice from an orange is a mixture.

Which of the following is a 'substance' according to the definition given in your textbook?

What is the name of P₄Se₃ ?

Determine the formula of the compound formed from Al³⁺ and S²⁻.

What is the name of PCl₃?

Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials.What is its formula?

Determine the charge on the unknown ion, X, in the compound AlX₃.

Which of these compounds is most likely to be ionic?

Determine the charge on the unknown ion, X, in the compound NaX.

Which one of the following formulas of ionic compounds is the least likely to be correct?

Which is the correct formula for copper(II) phosphate?

Determine the charge on the unknown ion, X, in the compound MgX₂. A.+2 B.+1 C.-1 D.-2

Atoms and Elements

Electrons and the Periodic Table

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Exam 3: Compounds and Chemical Bonds

What types of elements undergo covalent bonding?

Which of these compounds is most likely to be ionic?

Determine the formula of the compound formed from K+ and O2−.

Determine the charge on the unknown ion, X, in the compound Mg2X3.

Matter is anything that has mass and occupies space.

Determine the charge on the unknown ion, A, in the compound A3N2.

Which of the following contains covalent bonds?

What is the formula for the ionic compound formed by calcium and selenium?

The juice from an orange is a mixture.

Which of the following is a 'substance' according to the definition given in your textbook?

What is the name of P4Se3 ?

Determine the formula of the compound formed from Al3+ and S2−.

What is the name of PCl3?

Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials.What is its formula?

Determine the charge on the unknown ion, X, in the compound AlX3.

Which of these compounds is most likely to be ionic?

Determine the charge on the unknown ion, X, in the compound NaX.

Which one of the following formulas of ionic compounds is the least likely to be correct?

Which is the correct formula for copper(II) phosphate?

Determine the charge on the unknown ion, X, in the compound MgX2. A.+2 B.+1 C.-1 D.-2

Atoms and Elements

Electrons and the Periodic Table

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Determine the formula of the compound formed from K⁺ and O²⁻.

Determine the charge on the unknown ion, X, in the compound Mg₂X₃.

Determine the charge on the unknown ion, A, in the compound A₃N₂.

What is the name of P₄Se₃ ?

Determine the formula of the compound formed from Al³⁺ and S²⁻.

What is the name of PCl₃?

Determine the charge on the unknown ion, X, in the compound AlX₃.

Determine the charge on the unknown ion, X, in the compound MgX₂. A.+2 B.+1 C.-1 D.-2