Question 1

The juice from an orange is a mixture.

Accepted Answer

A) True 
 B)False

Question 2

What is the name of PCl3?

Accepted Answer

A)  phosphorus chloride
B)  phosphoric chloride
C)  phosphorus trichlorate
D)  trichlorophosphide
E)  phosphorus trichlorideF) B) and C)
G) None of the above

Question 3

Matter is anything that has mass and occupies space.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A)  +2
B)  +1
C)  -1
D)  -2E) None of the above
F) B) and C)

Question 5

Which of the following contains covalent bonds?

Accepted Answer

A)  BaO
B)  IBr
C)  Mg
D)  LiBr
E)  CuF) B) and E)
G) B) and D)

Question 6

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

Accepted Answer

A)  +2
B)  +1
C)  -1
D)  -2E) A) and B)
F) All of the above

Question 7

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

Accepted Answer

A)  +2
B)  +3
C)  -3
D)  -2E) A) and C)
F) All of the above

Question 8

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

Accepted Answer

A)  +2
B)  +3
C)  -3
D)  -2E) All of the above
F) A) and C)

Question 9

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

Accepted Answer

A)  Al3S2
B)  AlS
C)  Al2S3
D)  AlS2E) A) and C)
F) B) and C)

Question 10

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) 2F) B) and D)
G) C) and D)

Question 11

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)  ToothpasteF) A) and B)
G) C) and D)

Question 12

Which of these compounds is most likely to be ionic?

Accepted Answer

A)  KF
B)  CCl4
C)  CS2
D)  CO2
E)  IClF) All of the above
G) A) and E)

Question 13

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 actinideF) B) and C)
G) C) and D)

Question 14

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) 2F) A) and E)
G) B) and E)

Question 15

What is the name of P4Se3 ?

Accepted Answer

A)  phosphorus selenide
B)  phosphorus triselenide
C)  tetraphosphorus selenide
D)  phosphoric selenide
E)  tetraphosphorus triselenideF) A) and E)
G) All of the above

Question 16

Which of these compounds is most likely to be ionic?

Accepted Answer

A)  GaAs
B)  SrBr2
C)  NO2
D)  CBr4
E)  H2OF) A) and C)
G) C) and E)

Question 17

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...

Question 18

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)  K2Mn2O7F) A) and D)
G) B) and C)

Question 19

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

Accepted Answer

A)  K3O2
B)  K2O
C)  K2O3
D)  KO2E) All of the above
F) None of the above

Question 20

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

Accepted Answer

A)  CaSe
B)  Ca2Se
C)  CaSe2
D)  Ca3Se
E)  CaSe3F) C) and D)
G) A) and B)

Exam 3: Compounds and Chemical Bonds

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

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

The juice from an orange is a mixture.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What types of elements undergo covalent bonding?

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

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

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

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

Correct AnswerAnswered by ExamLex AITo determine the charge on the unknown i...View AnswerShow Answer

What is the name of P4Se3 ?

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Matter is anything that has mass and occupies space.

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

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Which of these compounds is most likely to be ionic?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the name of PCl3?

Correct AnswerverifiedShow Answer

Which of these compounds is most likely to be ionic?

Correct AnswerverifiedShow Answer

Which of the following contains covalent bonds?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

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

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

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To determine the charge on the unknown i...
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What is the name of P₄Se₃ ?

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

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What is the name of PCl₃?

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