Deck 3: Chemical Bonds

Question 1

Which of the following occurs when a sulfur atom is converted to S^2-?

A) The sulfur atom gains two electrons and loses two protons.
B) The sulfur atom gains two electrons.
C) The sulfur atom loses two electrons and two protons.
D) The sulfur loses two electrons.

Answer 1

B

Question 2

What is the name of the species formed when a sodium atom loses an electron?

A) sodate
B) sodide
C) sodium
D) sodium ion

Answer 2

D

Question 3

What is the name of the species formed when a bromine atom gains an electron?

A) bromate
B) bromide
C) bromine
D) bromine ion

Answer 3

B

Question 4

Which of the following is true in general of all cations?

A) A cation has equal numbers of protons and electrons.
B) A cation has fewer protons than electrons.
C) A cation has more protons than electrons.
D) A cation has more protons than neutrons.

Question 5

What is the valence shell electron configuration of all the noble gases except for helium?

A) ns²
B) ns²np³
C) ns²np⁶
D) np⁸

Question 6

Which of the following ions has the same electronic configuration as argon?

A) K⁺
B) Ca²⁺
C) both a and b
D) neither a nor b

Question 7

In the "ous/ic" system which species is named with the "ic" ending?

A) the less negative anion
B) the more negative anion
C) the less positive cation
D) the more positive cation

Question 8

Which of the following ions has the same electronic configuration as argon?

A) K²⁺
B) Ca⁺
C) both a and b
D) neither a nor b

Question 9

Which of the following occurs when a magnesium atom is converted to Mg²⁺?

A) The magnesium atom gains two electrons and loses two protons.
B) The magnesium atom gains two electrons.
C) The magnesium atom loses two electrons and two protons.
D) The magnesium atom loses two electrons.

Question 10

Which of the following atoms is least likely to form an ion?

A) fluorine
B) magnesium
C) neon
D) sodium

Question 11

For which of the following atoms do we not try to apply the octet rule?

A) oxygen
B) nickel
C) sodium
D) xenon

Question 12

In what form is lithium administered when it is used as a drug in the treatment of manic depression?

A) Li^-
B) Li
C) Li⁺
D) Li²⁺

Question 13

Which of the following is generally true of all anions?

A) An anion has equal numbers of protons and electrons.
B) An anion has fewer protons than electrons.
C) An anion has more protons than electrons.
D) An anion has more electrons than neutrons.

Question 14

Which is most likely true for an atom with six valence electrons?

A) It will gain one electron.
B) It will gain two electrons.
C) It will lose one electron.
D) It will lose two electrons.

Question 15

How many main types of chemical bonds exist?

A) 1
B) 2
C) 3
D) 4

Question 16

Which of the following elements is most likely to lose electrons to become a cation?

A) Ar
B) C
C) Cl
D) Fe

Question 17

Which is most likely true for an atom with one valence electron?

A) It will gain one electron.
B) It will gain two electrons.
C) It will lose one electron.
D) It will lose two electrons.

Question 18

For which types of elements do we sometimes use the "ous/ic" system in naming ions?

A) alkali metals
B) halogens
C) noble gases
D) transition metals

Question 19

Which of the following elements is most likely to gain electrons to become an anion?

A) Ar
B) C
C) Cl
D) Fe

Question 20

In what form is fluorine administered when it is used to prevent tooth decay?

A) F^-
B) F
C) F₂
D) F⁺

Question 21

Low electronegativities are associated with which type of elements?

A) metals
B) metalloids
C) noble gases
D) nonmetals

Question 22

If the name of an ion ends in "ate" what type of ion is it most likely to be?

A) a monatomic anion
B) a monatomic cation
C) a polyatomic anion
D) a polyatomic cation

Question 23

Which of the following elements is most electronegative?

A) B
B) C
C) N
D) O

Question 24

An ionic bond is associated with which of the following?

A) interactions between nuclei
B) equal sharing of electrons
C) unequal sharing of electrons
D) the transfer of electrons

Question 25

High electronegativities are associated with which type of elements?

A) metals
B) metalloids
C) noble gases
D) nonmetals

Question 26

What is the common name of Cu²⁺?

A) copper ion
B) cuprate ion
C) cupric ion
D) cuprous ion

Question 27

What is the relationship between the nitrate ion and the nitrite ion?

A) The nitrate ion has one less oxygen atom than does the nitrite ion and both have the same charge.
B) The nitrate ion has one more oxygen atom than does the nitrite ion and both have the same charge.
C) In addition to having one less oxygen atom than nitrite, nitrate also has a larger negative charge.
D) In addition to having one more oxygen atom than nitrite, nitrate also has a larger negative charge.

Question 28

The "ide" ending is usually, but not always, associated with monatomic anions. Which of the following polyatomic ions has a name which ends in "ide"?

A) C₂H₃O₂^-
B) HPO₄^2-
C) OH^-
D) SO₄^2-

Question 29

A covalent bond is associated with which of the following?

A) interactions between nuclei
B) the sharing of electrons
C) the transfer of electrons
D) all of these

Question 30

Which of the following situations is most likely to result in formation of a covalent bond?

A) when an electrically positive species interacts with an electrically negative species
B) when two nonmetallic elements interact to form a compound
C) when two electrically negative species interact
D) when two electrically positive species interact

Question 31

Which of the following is true of polyatomic ions?

A) All are anions.
B) All are cations.
C) The vast majority are anions.
D) The vast majority are cations.

Question 32

The preferred name for HCO₃^- is hydrogen carbonate. What is the common name for this ion?

A) bicarbonate
B) dicarbonate
C) bicarbide
D) dicarbide

Question 33

Which of the following is the stannous ion?

A) Sn⁺
B) Sn²⁺
C) Sn³⁺
D) Sn⁴⁺

Question 34

Which of the following is the stannic ion?

A) Sn⁺
B) Sn²⁺
C) Sn³⁺
D) Sn⁴⁺

Question 35

Which of the following occurs when an ionic bond is formed?

A) Electrons are transferred from the more electronegative element to the less electronegative element.
B) Electrons are transferred from the less electronegative element to the more electronegative element.
C) Electrons are shared equally.
D) Electrons are shared unequally.

Question 36

Which of the following endings is generally associated with a monatomic anion?

A) -ade
B) -ate
C) -ic
D) -ide

Question 37

Which pair of species is most likely to form an ionic bond?

A) two electrically neutral species
B) two electrically charged species, one positive and one negative
C) two negatively charged species
D) two positively charged species

Question 38

Which of the following statements is generally true about electronegativity?

A) Electronegativity decreases as we move left to right and decreases as we move top to bottom.
B) Electronegativity decreases as we move left to right and increases as we move top to bottom.
C) Electronegativity increases as we move left to right and decreases as we move top to bottom.
D) Electronegativity increases as we move left to right and increases as we move top to bottom.

Question 39

Which halogen atom is most electronegative?

A) bromine
B) chlorine
C) fluorine
D) iodine

Question 40

What is the common name of Cu⁺?

A) copper ion
B) cuprate ion
C) cupric ion
D) cuprous ion

Question 41

The tin compound used to strengthen teeth has the formula SnF₂. Which of the following is the common name for this compound?

A) stannic fluoride
B) stannous fluoride
C) tin fluoride
D) tin(II) fluorine

Question 42

What is the formula of the compound formed between barium and oxygen?

A) Ba₂O₂
B) Ba₂O
C) BaO₂
D) BaO

Question 43

AgCl is a chemical commonly used in photography. What is the correct name for AgCl?

A) monosilver monochloride
B) silver chloride
C) silver chlorine
D) silver monochlorine

Question 44

What is the correct formula for aluminum oxide?

A) AlO
B) AlO₂
C) Al₂O
D) Al₂O₃

Question 45

What is the correct name for BaH₂?

A) monobarium dihydride
B) barium dihydride
C) barium hydrogen
D) barium hydride

Question 46

For which of the following pairs are the atoms most likely to form an ionic bond with each other?

A) carbon and oxygen
B) calcium and chlorine
C) chlorine and oxygen
D) sodium and magnesium

Question 47

Which of the following is the correct way to write the formula of the compound formed between the calcium ion and the sulfate ion?

A) Ca₂(SO₄)₂
B) Ca₂SO₄
C) Ca(SO₄)₂
D) CaSO₄

Question 48

What is the formula of the compound formed by calcium and fluorine?

A) CaF
B) CaF₂
C) CaF₃
D) Ca₂F

Question 49

What is the correct name for KCl?

A) monopotassium monochloride
B) potassium chlorine
C) potassium chloride
D) potassium ion chloride ion

Question 50

Which of the following is the correct way to write the formula of the compound formed between the barium ion and the sulfate ion?

A) Ba₂(SO₄)₂
B) Ba₂SO₄
C) Ba(SO₄)₂
D) BaSO₄

Question 51

Under which of the following conditions is the A-B bond considered to be ionic?

A) when A and B have the same electronegativity
B) when the difference between the electronegativities of the atoms is 1.0
C) when the difference between the electronegativities of the atoms is 1.5
D) when the difference between the electronegativities of the atoms is 2.0

Question 52

What is the formula of the compound formed between the ammonium ion and the carbonate ion?

A) NH₄CO₃
B) NH₄(CO₃)₂
C) (NH₄)₂CO₃
D) (NH₄)₃CO₃

Question 53

What is the correct formula for sodium fluoride?

A) NaFI₂
B) NaF
C) Na₂F
D) Na₂F₂

Question 54

What is the formula of the compound formed by an iron(III) ion and oxygen?

A) FeO
B) FeO₂
C) Fe₂O₃
D) Fe₃O₂

Question 55

What is the formula of the compound formed by potassium and chlorine?

A) KCl
B) KCl₂
C) KCl₃
D) K₂Cl

Question 56

What is the correct name for MgO?

A) monomagnesium monoxide
B) magnesium monoxide
C) magnesium oxide
D) magnesium oxygen

Question 57

The term "limelight" is derived from the old name for calcium oxide. What is the formula of calcium oxide?

A) CaO₂
B) Ca₂O
C) CaO
D) Ca₂O₂

Question 58

What is the correct name for BaI₂?

A) barium iodine
B) barium iodide
C) barium diiodide
D) monobarium diiodide

Question 59

Which of the following is true of ionic compounds?

A) They are liquids at room temperature.
B) They are solids in which individual molecules are present.
C) They are solids in which both cations and anions are present.
D) Depending on the compound any one of the above may apply.

Question 60

The tin compound used to strengthen teeth has the formula SnF₂. Which of the following is the correct systematic name for this compound?

A) stannic fluoride
B) stannous fluoride
C) tin fluoride
D) tin(II) fluoride

Question 61

What is the correct systematic name for the compound with the formula CuCl₂?

A) cupric chloride
B) cuprous chloride
C) copper(II) chloride
D) copper(II) chlorine

Question 62

Which of the following bonds is the most polar?

A) H-F
B) H-Cl
C) H-Br
D) H-I

Question 63

How many electrons are associated with a single bond?

A) 1
B) 2
C) 4
D) 6

Question 64

What is the correct name for KH₂PO₄?

A) potassium hydride phosphate
B) potassium hydrogen phosphoxide
C) potassium hydrogen phosphate
D) potassium dihydrogen phosphate

Question 65

FeSO₄ is commonly used to treat iron deficiency. Which of the following is the correct name for this compound?

A) iron sulfate
B) iron(II) sulfate
C) iron(III) sulfate
D) iron sulfur tetroxide

Question 66

Which of the following compounds is used as an antacid?

A) NaHCO₃
B) NaNO₃
C) Na₃PO₄
D) Na₂SO₄

Question 67

What is the correct name for K₂HPO₄?

A) dipotassium hydrogen phosphate
B) potassium hydrogen phosphoxide
C) potassium hydrogen phosphate
D) potassium dihydrogen phosphate

Question 68

Which Greek letter is used in denoting the spatial distribution of charge in a polar bond?

A) alpha, α
B) beta, β
C) gamma, γ
D) delta, δ

Question 69

The chemical formula of rust is Fe₂O₃. Which of the following is the correct common name for this compound?

A) iron oxide
B) ferric oxide
C) ferrous oxide
D) diiron trioxide

Question 70

Which of the following compounds is used as a radiopaque medium for X-ray work?

A) BaSO₄
B) CaSO₄
C) FeSO₄
D) MgSO₄

Question 71

What is the correct systematic name for FeCO₃?

A) ferric carbonate
B) ferrous carbonate
C) iron(I) carbonate
D) iron(II) carbonate

Question 72

What is the correct name for Al₂(SO₄)₃?

A) dialuminum trisulfate
B) aluminum trisulfate
C) aluminum sulfate
D) aluminum sulfoxide

Question 73

What is the correct name for NH₄NO₃, a compound found in fertilizers?

A) ammonia nitrate
B) ammonium nitrate
C) ammonia nitrite
D) ammonium nitrite

Question 74

In which of the following cases is a polar covalent bond formed?

A) when an electron is transferred from one atom to another
B) when the electrons of a bond are shared equally by the two atoms
C) when the electrons of a bond are shared unequally by the two atoms
D) when a metallic element forms a bond with a nonmetallic element

Question 75

Which of the following bonds is the most polar?

A) C-H
B) C-N
C) C-O
D) C-F

Question 76

The chemical formula of rust is Fe₂O₃. Which of the following is the correct systematic name for this compound?

A) iron oxide
B) iron(II) oxide
C) iron(III) oxide
D) diiron trioxide

Question 77

What electronegativity difference is associated with a nonpolar covalent bond?

A) exactly 0
B) less than 0.5
C) between 0.5 and 1.9
D) greater than 1.9

Question 78

What is the correct common name for the compound with the formula CuCl₂?

A) copper chloride
B) copper chlorine
C) cupric chloride
D) cuprous chloride

Question 79

A compound used in the treatment of manic depression has the formula Li₂CO₃. Which of the following is the correct name for this compound?

A) dilithium carbonate
B) lithium carbon trioxide
C) lithium carbonate
D) lithium carboxide

Question 80

How many electrons are associated with a double bond?

A) 1
B) 2
C) 4
D) 6