Question 1

The correct name for K2SO4 is _____ .

Accepted Answer

A)  potassium sulfate
B)  potassium sulfide
C)  potassium sulfite
D)  potassium tetrasulfoxygen

Question 2

The correct name for CeS is _____ .

Accepted Answer

A)  cesium sulfate
B)  cesium sulfide
C)  cerium sulfate
D)  cerium sulfide

Question 3

Metals gain electrons to become ions in ionic compounds.

Accepted Answer

A) True 
 B)False

Question 4

The name for the compound formed between Co3+ and O2- is cobalt(II)oxide.

Accepted Answer

A) True 
 B)False

Question 5

Knowing that indium is a member of group IIIA (13) and selenium is listed under group VIA (16) ,which of the following compounds should result from a reaction between these two elements?

Accepted Answer

A)  InSe
B)  In2Se3
C)  In5Se3
D)  Se5In3

Question 6

A covalent bond results when

Accepted Answer

A)  one atom gives up an electron to another atom.
B)  one atom gives up two electrons to another atom.
C)  two atoms share a pair of electrons.
D)  two atoms share a single electron.

Question 7

A polar molecule must have

Accepted Answer

A)  polar bonds.
B)  an unsymmetrical arrangement.
C)  neither polar bonds nor an unsymmetrical arrangement.
D)  both polar bonds and an unsymmetrical arrangement.

Question 8

How many moles of K+ and P3- ions are present in 2.00 moles of K3P?

Accepted Answer

A)  6.00 mol K+ and 2.00 mol P3-
B)  3.00 mol K+ and 1.00 mol P3-
C)  1.00 mol K+ and 3.00 mol P3-
D)  2.00 mol K+ and 6.00 mol P3-

Question 9

Oxygen must gain two electrons to achieve a noble gas configuration.

Accepted Answer

A) True 
 B)False

Question 10

What medicinal value does ZnO have?

Accepted Answer

A)  sun screen
B)  relieves diaper rash
C)  relieves poison ivy
D)  all of these

Question 11

What would be the proper name for the following binary ionic compound CaBr2?

Accepted Answer

A)  calcium dibromine
B)  monocalcium bromine
C)  monocalcium dibromide
D)  calcium bromide

Question 12

A correct Lewis structure for BrCl is _____ .

Accepted Answer

A)   
B)   
C)   
D)

Question 13

Both bonding and non-bonding electron pairs can influence molecular shape.

Accepted Answer

A) True 
 B)False

Question 14

The correct name for the covalent compound N2O4 is _____ .

Accepted Answer

A)  dinitrogen tetroxide
B)  nitrogen oxide
C)  nitrogen quartoxide
D)  dinitrogen quartoxide

Question 15

Hydrogen bonds form between the molecules of the hypothetical compound ABCH and do not form between DEFH molecules.

Accepted Answer

A)  ABCH has a higher molecular weight than DEFH.
B)  ABCH represents a compound that contains O,N,or F directly bonded to H.
C)  ABCH tends to be a compound with color,but DEFH does not have color.
D)  There is no significant difference between ABCH and DEFH.

Question 16

Bulimia is characterized as the failure to maintain a body mass that is at least 85% of normal.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following pairs of elements is most likely to form a covalent bond?

Accepted Answer

A)  Fe H
B)  Cs Br
C)  Cl O
D)  Zn S

Question 18

For some representative metals,two possible ions can be formed.Why?

Accepted Answer

A)  s electrons can fill the next lower d orbital.
B)  They can lose electrons to form a cation and gain electrons to form an anion.
C)  They can lose the s electrons or all electrons in their outer shell.
D)  They can lose just the p electrons or all electrons in their outer shell.

Question 19

The reason that an overabundance of iron in the human body,hemochromatosis,is dangerous because iron is magnetic and the increase in magnetism in the body cause organ damage.

Accepted Answer

A) True 
 B)False

Question 20

Only compounds containing hydrogen attached to an oxygen,nitrogen,or fluoride atom can exhibit hydrogen bonding.

Accepted Answer

A) True 
 B)False

Exam 4: Forces Between Particles

Metals gain electrons to become ions in ionic compounds.

Correct AnswerverifiedShow Answer

How many moles of K+ and P3- ions are present in 2.00 moles of K3P?

Correct AnswerverifiedShow Answer

Oxygen must gain two electrons to achieve a noble gas configuration.

Correct AnswerverifiedShow Answer

The correct name for CeS is _____ .

Correct AnswerverifiedShow Answer

A polar molecule must have

Correct AnswerverifiedShow Answer

The correct name for the covalent compound N2O4 is _____ .

Correct AnswerverifiedShow Answer

What medicinal value does ZnO have?

Correct AnswerverifiedShow Answer

Which of the following pairs of elements is most likely to form a covalent bond?

Correct AnswerverifiedShow Answer

Bulimia is characterized as the failure to maintain a body mass that is at least 85% of normal.

Correct AnswerverifiedShow Answer

For some representative metals,two possible ions can be formed.Why?

Correct AnswerverifiedShow Answer

Knowing that indium is a member of group IIIA (13) and selenium is listed under group VIA (16) ,which of the following compounds should result from a reaction between these two elements?

Correct AnswerverifiedShow Answer

A correct Lewis structure for BrCl is _____ .

Correct AnswerverifiedShow Answer

The reason that an overabundance of iron in the human body,hemochromatosis,is dangerous because iron is magnetic and the increase in magnetism in the body cause organ damage.

Correct AnswerverifiedShow Answer

Both bonding and non-bonding electron pairs can influence molecular shape.

Correct AnswerverifiedShow Answer

Hydrogen bonds form between the molecules of the hypothetical compound ABCH and do not form between DEFH molecules.

Correct AnswerverifiedShow Answer

The correct name for K2SO4 is _____ .

Correct AnswerverifiedShow Answer

What would be the proper name for the following binary ionic compound CaBr2?

Correct AnswerverifiedShow Answer

A covalent bond results when

Correct AnswerverifiedShow Answer

Only compounds containing hydrogen attached to an oxygen,nitrogen,or fluoride atom can exhibit hydrogen bonding.

Correct AnswerverifiedShow Answer

The name for the compound formed between Co3+ and O2- is cobalt(II)oxide.

Correct AnswerverifiedShow Answer

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How many moles of K⁺ and P^3- ions are present in 2.00 moles of K₃P?

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The correct name for the covalent compound N₂O₄ is _____ .

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The correct name for K₂SO₄ is _____ .

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What would be the proper name for the following binary ionic compound CaBr₂?

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The name for the compound formed between Co³⁺ and O^2- is cobalt(II)oxide.

Correct Answer
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