Question 1

Predict the ionic charge for an ion of each of the following representative elements.
a. Li
b. Se
c. Kr
d. N

Accepted Answer

a. 1+
b. 2...

Question 2

The formula for the ionic compound sodium nitride is ______________.

Accepted Answer

The answer of The formula for the ionic compound sodium...

Question 3

In 400 B.C., a Greek named ______________ championed the idea that if matter were repeatedly cut into smaller divisions, eventually an indivisible particle would be reached.

Accepted Answer

The answer of In 400 B.C., a Greek named ______________...

Question 4

What is the formula of the compound formed from the ions of aluminum and oxygen?

Accepted Answer

A)   Al2O3
B)   AlO
C)   AlO3
D)   None of theseE) All of the above
F) B) and D)

Question 5

What is the correct formula for calcium phosphate?

Accepted Answer

A)   Ca3P2
B)   Ca2(PO4) 3
C)   Ca3(PO4) 2
D)   Ca2P3E) B) and D)
F) A) and B)

Question 6

The percentage by mass of hydrogen in methane, CH4, is about

Accepted Answer

A)   25%.
B)   75%.
C)   80%.
D)   20%.E) A) and B)
F) A) and C)

Question 7

Which of the following elements commonly forms an ion with a 1- charge?

Accepted Answer

A)   Ag
B)   N
C)   Br
D)   NaE) B) and D)
F) All of the above

Question 8

Element A, mass 9.00 g, reacts exactly with 5.00 g of element B to form 14.00 g of compound AB. If 36.00 g of element A is reacted with 41.00 g of element B to form the same compound, what mass of compound AB will be formed?

Accepted Answer

A)   9.00 g.
B)   56.00 g
C)   9.00 g
D)   30.00 gE) A) and B)
F) A) and C)

Question 9

The dipole arrow in an F-O bond would point toward the ______________ atom.

Accepted Answer

The answer of The dipole arrow in an F-O bond...

Question 10

In the ______________ phase, ionic compounds conduct electricity.

Accepted Answer

liquid (ga...

Question 11

The formula mass of water, H2O, is

Accepted Answer

A)   18 u.
B)   9 u.
C)   10 u.
D)   17 u.E) A) and D)
F) None of the above

Question 12

Which of the following ions would never form in chemical reactions?

Accepted Answer

A)   F2-
B)   Al3+
C)   O2-
D)   N3-E) None of the above
F) A) and C)

Question 13

In the liquid phase, covalent compounds generally conduct electricity

Accepted Answer

A)   not at all.
B)   very well.
C)   better than metals.
D)   better than ionic compounds in the liquid phase.E) B) and C)
F) None of the above

Question 14

Which of the following compounds contains both ionic and covalent bonds?

Accepted Answer

A)   CaSO4
B)   CHCl3
C)   HNO3
D)   C12H22O11E) B) and D)
F) A) and D)

Question 15

Compounds tend to be ______________ compounds if they are formed from two or more nonmetals.

Accepted Answer

A)   covalent
B)   organic
C)   polar
D)   ionicE) A) and B)
F) A) and C)

Question 16

Which of the following compounds should be named using the Stock system?

Accepted Answer

A)   Ag2O
B)   Au2S
C)   ZnO
D)   Al2O3E) A) and D)
F) A) and B)

Question 17

A likely ratio of the masses of oxygen in two different compounds of tin and oxygen, both of which contain the same mass of tin, is

Accepted Answer

A)   1.42 to 1.
B)   3.11 to 1.
C)   3.77 to 1.
D)   2 to 1.E) A) and B)
F) None of the above

Question 18

A positively charged ion is called a(n) ______________.

Accepted Answer

The answer of A positively charged ion is called a(n)...

Question 19

Combinations of atoms from the far right side of the periodic table with atoms from the far left side usually form ______________ compounds.

Accepted Answer

A)   organic
B)   ionic
C)   covalent
D)   polarE) All of the above
F) B) and C)

Question 20

The dipole arrow in an S-Se bond would point toward the ______________ atom.

Accepted Answer

The answer of The dipole arrow in an S-Se bond...

Exam 12: Chemical Bonding

Which of the following compounds should be named using the Stock system?

Correct AnswerverifiedShow Answer

Predict the ionic charge for an ion of each of the following representative elements. a. Li b. Se c. Kr d. N

Correct Answerverifieda. 1+b. 2...View AnswerShow Answer

A likely ratio of the masses of oxygen in two different compounds of tin and oxygen, both of which contain the same mass of tin, is

Correct AnswerverifiedShow Answer

In the liquid phase, covalent compounds generally conduct electricity

Correct AnswerverifiedShow Answer

What is the formula of the compound formed from the ions of aluminum and oxygen?

Correct AnswerverifiedShow Answer

A positively charged ion is called a(n) ______________.

Correct AnswerverifiedShow Answer

The dipole arrow in an S-Se bond would point toward the ______________ atom.

Correct AnswerverifiedShow Answer

The formula mass of water, H2O, is

Correct AnswerverifiedShow Answer

The formula for the ionic compound sodium nitride is ______________.

Correct AnswerverifiedShow Answer

Element A, mass 9.00 g, reacts exactly with 5.00 g of element B to form 14.00 g of compound AB. If 36.00 g of element A is reacted with 41.00 g of element B to form the same compound, what mass of compound AB will be formed?

Correct AnswerverifiedShow Answer

The percentage by mass of hydrogen in methane, CH4, is about

Correct AnswerverifiedShow Answer

In the ______________ phase, ionic compounds conduct electricity.

Correct Answerverifiedliquid (ga...View AnswerShow Answer

Which of the following ions would never form in chemical reactions?

Correct AnswerverifiedShow Answer

Which of the following compounds contains both ionic and covalent bonds?

Correct AnswerverifiedShow Answer

Combinations of atoms from the far right side of the periodic table with atoms from the far left side usually form ______________ compounds.

Correct AnswerverifiedShow Answer

The dipole arrow in an F-O bond would point toward the ______________ atom.

Correct AnswerverifiedShow Answer

Which of the following elements commonly forms an ion with a 1- charge?

Correct AnswerverifiedShow Answer

In 400 B.C., a Greek named ______________ championed the idea that if matter were repeatedly cut into smaller divisions, eventually an indivisible particle would be reached.

Correct AnswerverifiedShow Answer

What is the correct formula for calcium phosphate?

Correct AnswerverifiedShow Answer

Compounds tend to be ______________ compounds if they are formed from two or more nonmetals.

Correct AnswerverifiedShow Answer

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a. 1+
b. 2...
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The formula mass of water, H₂O, is

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The percentage by mass of hydrogen in methane, CH₄, is about

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liquid (ga...
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