Deck 3: Molecules, Compounds, and Nomenclature

Question 1

An ionic bond is best described as ________.

A) the sharing of electrons
B) the transfer of electrons from one atom to another
C) the attraction that holds the atoms together in a polyatomic ion
D) the attraction between two nonmetal atoms
E) the attraction between two metal atoms

Answer 1

the transfer of electrons from one atom to another

Question 2

Which of the following is an atomic element?

A) Br
B) H
C) N
D) O
E) Mg

Answer 2

Mg

Question 3

Which of the following is a molecular element?

A) Kr
B) Ag
C) S
D) Mg
E) Ti

Answer 3

S

Question 4

When forming ionic compounds, cations and anions form three-dimensional networks known as ________.

A) a molecular compound
B) a space-filling compound
C) a lattice
D) an empirical formula

Question 5

Which of the following exists as a polyatomic molecule?

A) He
B) C
C) P
D) Na
E) Ne

Question 6

________ bonds occur between two or more nonmetals, which involve the sharing of electrons between the atoms.

A) Ionic
B) Hydrogen
C) Metallic
D) Peptide
E) Covalent

Question 7

Which of the following is a molecular element?

A) Mg
B) Ar
C) Xe
D) I
E) Li

Question 8

________ bonds are formed between a metal atom and nonmetal atom, where electrons are transferred from the metal atom to the non-metal atom.

A) Ionic
B) Hydrogen
C) Metallic
D) Peptide
E) Covalent

Question 9

Identify the compound with (an) ionic bond(s).

A) CO₂
B) H₂O₂
C) CH₄
D) LiBr
E) H₂

Question 10

Which of the following contains both ionic and covalent bonds?

A) CaI₂
B) CO₂
C) CaSO₄
D) SF₆
E) C₂H₄

Question 11

Which of the following is a possible molecular formula for a compound with an empirical formula C₄H₄O?

A) C₈H₈O₂
B) C₁₂H₁₂O₂
C) C₂H₂O
D) C₈H₈O

Question 12

Which of the following contains both ionic and covalent bonds?

A) KI
B) NH₄Cl
C) CaS
D) H₂S
E) SiF₄

Question 13

What is the empirical formula for Hg₂(NO₃)₂?

A) Hg₂(NO₃)₂
B) HgNO₃
C) Hg(NO₃)₂
D) Hg₂NO₃
E) Hg₄(NO₃)₄

Question 14

Which of the following is a molecular compound?

A) CuCl₂
B) KCl
C) NaNO₃
D) CH₃Cl
E) RbBr

Question 15

Which of the following exists as a diatomic molecule?

A) N
B) C
C) P
D) Na
E) Ne

Question 16

Identify the compound with (an) ionic bond(s).

A) SO₂
B) CO
C) O₂
D) H₂O
E) KBr

Question 17

A covalent bond is best described as ________.

A) the sharing of electrons between atoms
B) the transfer of electrons
C) a bond between a metal and a nonmetal
D) a bond between a metal and a polyatomic ion
E) a bond between two polyatomic ions

Question 18

Identify the compound with (a) covalent bond(s).

A) CH₄
B) CaCl₂
C) KBr
D) MgCl₂
E) NaCl

Question 19

Identify a possible molecular formula for a compound with an empirical formula C₃H₅ClO.

A) C₆H₁₀ClO₂
B) C₅H₁₀Cl₂O₂
C) C₆H₁₀Cl₂O₂
D) C₆H₁₀O₂
E) C₆H₁₂Cl₂O₂

Question 20

Which of the following is a molecular compound?

A) NaCN
B) LiOH
C) SrI₂
D) ZnS
E) P₄O₁₀

Question 21

Determine the name for TiCO₃. Remember that titanium forms several ions.

A) titanium(II) carbonate
B) titanium carbide
C) titanium carbonite
D) titanium(II) carbonite
E) titanium(I) carbonate

Question 22

A(n) ________ formula uses a line to indicate covalent bonds and shows how the atoms in a molecule are bonded to each other.

A) Molecular
B) Structural
C) Organic
D) Inorganic
E) Ionic

Question 23

Which of the following is a molecular compound?

A) CuCl₂
B) N₂O₄
C) NaNO₃
D) SrSO₃
E) RbBr

Question 24

Identify the charge, X, on the phosphide ion P^X.

A) -4
B) -3
C) -2
D) -1
E) +1

Question 25

What is the empirical formula for C₄H₁₀O₂?

A) C₂H₅O
B) CHO
C) C₂H₄O
D) CHO₂
E) CH₂O

Question 26

Identify the formula for barium nitrite.

A) Ba₃N₂
B) BaNO₃
C) BN
D) Ba(NO₂)₂
E) B(NO₂)₃

Question 27

Identify the name for SnO.

A) tin(I) oxide
B) tin(II) oxide
C) tin(III) oxide
D) tin(IV) oxide

Question 28

Identify the nitrite ion.

A) NO₃^-
B) NH₄⁺
C) NH⁴+
D) N₃^-
E) N^3-

Question 29

Which of the following is an ionic compound?

A) SCl₂
B) Mg₃(PO₄)₂
C) Cl₂O
D) CH₂O
E) PF₅

Question 30

Which of the following is an acid in aqueous solution?

A) CaCO₃
B) HClO₂
C) CH₃OCH₃
D) NaCl
E) KNO₃

Question 31

Identify the charge, X, on the acetate ion .

A) +1
B) +2
C) +3
D) -2
E) -1

Question 32

Identify the formula for strontium nitride.

A) Sr₃N₂
B) Sr(NO₃)₂
C) SrN
D) Sr₂N₃
E) Sr(NO₂₎₂

Question 33

Identify the formula for sodium chlorate.

A) NaClO
B) NaClO₂
C) NaClO₃
D) NaClO₄

Question 34

Which of the following is an ionic compound?

A) LiCl
B) NO₂
C) PCl₃
D) CF₄
E) SeBr₂

Question 35

Identify the cyanide ion.

A)
B) H
C)
D) HCN
E) CN^-

Question 36

Which of the following is an acid in aqueous solution?

A) NH₃
B) NaF
C) Ca(C₂H₃O₂)₂
D) HI
E) KCl

Question 37

Identify the formula for the compound formed between potassium and sulfur.

A) KS
B) KS₂
C) K₂S
D) K₂SO₃
E) K₃S₂

Question 38

Identify the perchlorate ion.

A) Cl
B) Cl
C) Cl
D) Cl
E) Cl^-

Question 39

Identify the charge, X, on the barium ion .

A) +1
B) +2
C) +3
D) -1
E) -2

Question 40

Identify the sulfite ion.

A) S
B) HS
C)
D) S
E) HS

Question 41

Identify the formula for sulfurous acid.

A) H₂SO₃
B) HSO₃
C) H₂SO₄
D) HSO₄

Question 42

Identify the formula for chromium(II) nitrate.

A) Cr(NO₂)₃
B) Cr(NO₃)₃
C) Cr(NO₃)₂
D) Cr(NO₂)₂
E) Cr₂NO₂

Question 43

Identify the name for Sr(NO₃)₂∙4H₂O.

A) tin(II) nitrate tetrahydrate
B) strontium nitrate tetrahydrate
C) scandium nitrate tetrahydrate
D) tin(III) nitrate tetrahydrate
E) tin(II) nitrate quadhydrate

Question 44

What is the correct formula for lead (II) chloride?

A) LdCl₄
B) SbCl₄
C) PbCl₂
D) PbCl₄
E) LaCl₃

Question 45

Identify the name for Ca₃(PO₄)₂.

A) calcium(III) phosphite
B) calcium(II) phosphite
C) calcium phosphate
D) tricalcium phosphorustetraoxide
E) calcium phosphite

Question 46

Determine the name for H₂CO₃.

A) carbonous acid
B) dihydrogen carbonate
C) carbonic acid
D) hydrocarbonic acid
E) hydrocarbide acid

Question 47

Identify the name for aqueous H₂SO₄.

A) sulfuric acid
B) persulfurous acid
C) sulfurous acid
D) hyposulfurous acid
E) persulfuric acid

Question 48

Determine the name for P₄O₁₀.

A) phosphorus(IV) oxide
B) diphosphorus pentoxide
C) phosphorus oxide
D) phosphorus(II) oxide
E) tetraphosphorus decoxide

Question 49

Determine the name for CoCl₂∙6H₂O. Remember that Co forms several ions.

A) cobalt chloride hydrate
B) cobalt(I) chloride heptahydrate
C) cobalt(II) chloride heptahydrate
D) cobalt(II) chloride hexahydrate
E) cobalt(I) chloride

Question 50

Identify the name for FeS.

A) iron(I) sulfate
B) iron(I) sulfide
C) iron(II) sulfide
D) iron(II) sulfate
E) iron sulfide

Question 51

Identify the correct formula for aluminum sulfate.

A) Al₂SO₄
B) Al(SO₄)₃
C) Al₃(SO₄)₂
D) Al₂(SO₄)₃

Question 52

Determine the name for N₂O₅.

A) dinitrogen pentoxide
B) nitrogen oxide
C) nitrogen(IV) oxide
D) nitrogen(II) oxide
E) nitrogen tetroxide

Question 53

Identify the formula for barium hydroxide octahydrate.

A) Ba(OH)₂∙8H₂O
B) BaOH∙8H₂O
C) B(OH)₃∙8H₂O
D) 8Ba(OH)₂∙H₂O
E) 8BaOH∙H₂O

Question 54

Identify the formula for copper (II) sulfate pentahydrate.

A) Cu₂SO₃^∙H₅
B) Cu₂S^∙H₂O
C) CuS^∙5H₂O
D) (CuSO₄)₅
E) CuSO₄^∙5H₂O

Question 55

Identify the name for LiNO₃∙3H₂O.

A) lithium nitrate
B) lithium nitrate hemihydrate
C) lithium nitrate monohydrate
D) lithium nitrate dihydrate
E) lithium nitrate trihydrate

Question 56

Identify the correct formula for sodium chlorate.

A) NaClO
B) NaClO₂
C) NaClO₃
D) NaClO₄

Question 57

What is the charge on an aluminum ion?

A) +3
B) +2
C) +1
D) -1
E) -2

Question 58

Identify the formula for magnesium nitrate hexahydrate.

A) Mg(NO₃)₂∙5H₂O
B) Mg(NO₃)₂∙6H₂O
C) Mg(NO₃)₂∙7H₂O
D) MgNO₃∙5H₂O
E) MgNO₃∙6H₂O

Question 59

Determine the name for aqueous HBr.

A) bromic acid
B) bromous acid
C) hydrobromous acid
D) hydrogen bromate
E) hydrobromic acid

Question 60

Identify the name for Sn(SO₄)₂. Remember that Sn forms several ions.

A) tin(I) sulfite
B) tin(IV) sulfate
C) tin sulfide
D) tin(II) sulfite
E) tin(I) sulfate

Question 61

What is the common name of the polyatomic anion ClO₄?

A) Chlorite
B) Chlorate
C) Perchlorate
D) Chloride
E) Hypochlorite

Question 62

Determine the name for Cl₂O.

A) chlorine oxide
B) dichlorine monoxide
C) chlorine(I) oxide
D) chlorine(II) oxide
E) chlorate

Question 63

What is the common name of the polyatomic anion SO₄²?

A) Sulfite
B) Hyposulfite
C) Persulfate
D) Sulfate
E) Sulfide

Question 64

Which of the following compounds is ethanol?

A) C₂H₆
B) C₂H₅OH
C) CH₃CO₂H
D) CH₃CO₂CH₃
E) CH₃-O-CH₃

Question 65

Determine the name for aqueous HClO₃.

A) hydrochloric acid
B) hydrochlorous acid
C) chlorate acid
D) chloric acid
E) perchloric acid

Question 66

Calculate the molar mass of Ca₃(PO₄)₂.

A) 87.05 g mol^-1
B) 215.21 g mol^-1
C) 310.18 g mol^-1
D) 279.21 g mol^-1
E) 246.18 g mol^-1

Question 67

Identify a hydrocarbon.

A) CH₃CH₂OCH₂CH₃
B) CH₃CH₂OH
C) CH₃CH₂NH₂
D) CH₃CH₂CH₂CH₃
E) CH₃COOH

Question 68

Identify the name for the compound Fe(C₂H₃O₂)₂.

A) iron(II) hydrogen carbonate
B) iron(III) carbonate
C) iron acetate
D) iron(II) acetate
E) iron(II) dihydrogen phosphate

Question 69

Identify a carboxylic acid.

A) CH₃CH₂OCH₂CH₃
B) CH₃CH₂OH
C) CH₃CH₂NH₂
D) CH₃CH₂CH₂CH₃
E) CH₃COOH

Question 70

Identify an ether.

A) CH₃CH₂OCH₂CH₃
B) CH₃CH₂OH
C) CH₃CH₂NH₂
D) CH₃CH₂CH₂CH₃
E) CH₃COOH

Question 71

Identify the name for PBr₃.

A) phosphorus tribromide
B) potassium tribromide
C) phosphorus(III) bromide
D) phosphorus(II) bromide
E) phosphorus bromide

Question 72

Which of the following is a formula for the compound disulfur tetrafluoride?

A) SF₄
B) 2SF₄
C) S₂F₄
D) SF₆
E) S₂F₂

Question 73

Which of the following is one possible form of pentane?

A) CH₃CH₂CH₂CH₂CH₃
B) CH₃CH=CHCH₂CH₃
C) CH₃CH₂CH₂CH₂CH₂CH₃
D) CH₃CH₂CH₂CH₂CH₂NH₂
E) CH₃CH₂-O-CH₂CH₂CH₃

Question 74

Which of the following statements is FALSE?

A) Hydrocarbons are organic compounds.
B) Organic compounds are composed of nitrogen, oxygen, and sulfur.
C) The three types of hydrocarbons are alkane, alkene, and alkynes.
D) All organic compounds can be classified as hydrocarbons with one or more functional groups.
E) The commonly known functionalized hydrocarbons are alcohols, ethers, aldehydes, ketones, esters, carboxylic acids, and amines.

Question 75

Which of the following is a formula for the compound iridium(III) bromide tetrahydrate?

A) IrBr∙ H₂O
B) IrBr∙4H₂O
C) IrBr₃∙4H₂O
D) IBr₃∙4H₂O
E) IBr₃∙2H₂O

Question 76

What is the common name of the polyatomic anion NO₃?

A) Nitrate
B) Nitrite
C) Hyponitrite
D) Pernitrate
E) Hypo Nitrate

Question 77

Calculate the molar mass of Al(C₂H₃O₂)₃.

A) 86.03 g mol^-1
B) 204.13 g mol^-1
C) 56.00 g mol^-1
D) 258.09 g mol^-1
E) 139.99 g mol^-1

Question 78

Identify an amine.

A) CH₃CH₂OCH₂CH₃
B) CH₃CH₂OH
C) CH₃CH₂NH₂
D) CH₃CH₂CH₂CH₃
E) CH₃COOH

Question 79

Which of the following statements is TRUE?

A) A molecular formula gives the actual number of atoms of each element in a molecule.
B) The structural formula shows the geometry of the molecule.
C) Metals and nonmetals bond to form a molecular compound.
D) Covalently bonded nonmetals produce an ionic compound.
E) Organic compounds containing double bonds between the carbon atoms are known as alkynes.

Question 80

Calculate the molar mass for Mg(ClO₄)₂.

A) 223.21 g mol^-1
B) 123.76 g mol^-1
C) 119.52 g mol^-1
D) 247.52 g mol^-1
E) 75.76 g mol^-1