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Quiz 2 -

front 1

What group (G) and period (P) does the element molybdenum (Mo) belong to?

A) G = 5, P = 6

B) G = 6, P = 6

C) G = 6, P = 4

D) G = 6, P = 5

E) G = 5, P = 5

back 1

D) G = 6, P = 5

front 2

Which of the following elements would be chemically similar to calcium (Ca)?

A) K

B) Sr

C) Sc

D) SE) Ga

back 2

B) Sr

front 3

Which of the following is NOT a metalloid?

A) Pb

B) B

C) Ge

D) Sb

E) Te

back 3

A) Pb

front 4

Which of the following elements is NOT a metal?

A) arsenic

B) indium

C) iridium

D) lithium

E) lutetium

back 4

A) arsenic

front 5

Which of the following is a main group element?

A) Yttrium

B) Osmium

C) Holmium

D) Californium

E) Bismuth

back 5

E) Bismuth

front 6

Which of the following is an alkaline earth metal?

A) Rubidium

B) Beryllium

C) Iridium

D) Americium

E) Phosphorous

back 6

B) Beryllium

front 7

Which periodic trend quantifies the amount of energy required to remove an electron from a neutral, gaseous atom?

A) Atomic Radius

B) Ionization Energy

C) Ionic Radius

D) Electron Affinity

E) Electronegativity

back 7

B) Ionization Energy

front 8

Which of the following transition metals would be expected to have the smallest atomic radius?

A) Yttrium (Y)

B) Zirconium (Zr)

C) Niobium (Nb)

D) Technetium (Tc)

E) Ruthenium (Ru)

back 8

E) Ruthenium (Ru)

front 9

Rank the following atoms in order of increasing first ionization energies (i.e., lowest to highest): Rb, F, Mg, B, N.

A) F < N < B < Mg < Rb

B) Rb < Mg < F < N < B

C) Mg < Rb < F < N < B

D) Rb < Mg < B < N < F

E) Rb > B > N > F > Mg

back 9

D) Rb < Mg < B < N < F

front 10

Rank the following atoms in order of increasing size (i.e., smallest to largest): Li, Al, Be, Ba, O.

A) Li < Al < Be < Ba < O

B) Ba < Al < Li < Be < OC) Li < Be < O < Al < Ba

D) O < Be < Li < Al < Ba

E) O < Li < Be < Ba < Al

back 10

D) O < Be < Li < Al < Ba

front 11

Predict the chemical formula for the ionic compound formed by Au³⁺ and HSO₃⁻

back 11

Au(HSO₃)₃

front 12

Predict the chemical formula for the ionic compound formed by Cu²⁺ and P³⁻

back 12

Cu₃P₂

front 13

Predict the chemical formula for the ionic compound formed by the elements Ag and O

back 13

Ag₂O

front 14

Predict the chemical formula for the ionic compound formed by the elements Ba and S

back 14

BaS

front 15

What is the formula of a compound containing Al³⁺ and S²⁻ ions?

A) Al₂S₃

B) Al₂S

C) AlS₃

D) Al₃S₂

back 15

A) Al₂S₃

front 16

Classify the following compounds as ionic or covalent: BaO, Fe₂O₃, ZnO.

A) Covalent, covalent, covalent.

B) Ionic, ionic, covalent.

C) Ionic, covalent, covalent.

D) Ionic, Ionic, Ionic.

back 16

D) Ionic, Ionic, Ionic.

front 17

Which of the following compounds exhibits both ionic and covalent bonding?

A) Cl₂O₇

B) KCl

C) KNO₃

D) N₂O₄

back 17

C) KNO₃

front 18

Which of the following is best classified as a covalent compound?A) Sr₃N₂

B) N₂O₅

C) Li₃N

D) AlN

back 18

B) N₂O₅

front 19

Which of the following compounds does NOT exhibit covalent bonding?

A) CO₂

B) COC) CoCl₂

D) HCOOH

E) Na₂CO₃

back 19

C) CoCl₂

front 20

Which of the following is a molecular compound?

A) P₄

B) BaBr₂

C) N₂O

D) CaO

E) Ag

back 20

C) N₂O

front 21

Sodium bicarbonate (baking soda, NaHCO₃) is used to deodorize refrigerators. What kind of bonding does this compound exhibit?

A) Ionic only

B) Covalent only

C) Both ionic and covalent

D) Metallic only

back 21

C) Both ionic and covalent

front 22

The compound NaBr is:

A) Ionic

B) Polar covalent

C) Nonpolar covalent

D) Metallic

E) Not enough info

back 22

A) Ionic

front 23

Which of the following is an example of an ionic bond?

A) K - F

B) C - H

C) Kr - H

D) C - F

back 23

A) K - F

front 24

What is the correct IUPAC name for Ag₂S?

back 24

silver sulfide

front 25

What is the correct IUPAC name for AlN?

back 25

aluminum nitride

front 26

What is the correct IUPAC name for BaS?

back 26

barium sulfide

front 27

What is the correct IUPAC name for K₂O

back 27

potassium oxide

front 28

What is the correct IUPAC name for MgF₂?

back 28

magnesium fluoride

front 29

What is the correct IUPAC name for Au₂O₃?

back 29

gold(III) oxide

front 30

What is the correct IUPAC name for CrCl₂?

back 30

chromium(II)chloride

front 31

What is the correct IUPAC name for CrCl₂?

back 31

chromium(II) chloride

front 32

What is the correct IUPAC name for FeCl₃?

back 32

iron(III) chloride

front 33

What is the correct IUPAC name for MnF₃?

back 33

manganese(III) fluoride

front 34

What is the correct IUPAC name for SnS₂?

back 34

tin(IV)sulfide

front 35

What is the correct IUPAC name for AlPO₄?

back 35

aluminum phosphate

front 36

What is the correct IUPAC name for Ca(NO₃)₂?

back 36

calcium nitrate

front 37

What is the correct IUPAC name for Li₃PO₄?

back 37

lithium phosphate

front 38

What is the correct IUPAC name for Na₂SO₃?

back 38

sodium sulfite

front 39

What is the correct IUPAC name for Co₂(SO₄)₃?

back 39

cobalt(III) sulfate

front 40

What is the correct IUPAC name for Fe(HSO₄)₃?

back 40

iron(III) hydrogen sulfate

front 41

What is the correct IUPAC name for SnSO₄?

back 41

tin(II) sulfate

front 42

What is the correct IUPAC name for CuClO₃?

back 42

copper(I) chlorate

front 43

What is the correct IUPAC name for Cr₂(CO₃)₃?

back 43

chromium(III) carbonate

front 44

What is the correct IUPAC name for LiOH?

back 44

lithium hydroxide

front 45

What is the correct IUPAC name for IF₅?

back 45

iodine pentafluoride

front 46

What is the correct IUPAC name for PBr₃?

back 46

phosphorus tribromide

front 47

What is the correct IUPAC name for SCl₂?

back 47

sulfur dichloride

front 48

What is the correct IUPAC name for SiCl₄?

back 48

silicon tetrachloride

front 49

What is the correct IUPAC name for S₂F₈?

back 49

disulfur octafluoride

front 50

Write the chemical formula for the chlorite ion

back 50

ClO₂⁻

front 51

Write the chemical formula for the nitrate ionNO³⁻

back 51

NO₃⁻

front 52

Write the chemical formula for ammonium hydroxide

back 52

NH₄OH

front 53

Write the chemical formula for calcium chloride

back 53

CaCl₂

front 54

Write the chemical formula for chromium(III) phosphate

back 54

CrPO₄

front 55

Write the chemical formula for cobalt(II) hydrogen carbonate

back 55

Co(HCO₃)₂

front 56

Write the chemical formula for copper(I) hydroxide

back 56

CuOH

front 57

Write the chemical formula for iron(III) oxideFe₂O₃

back 57

Fe₂O₃

front 58

Write the chemical formula for lead(II) nitrate

back 58

Pb(NO₃)₂

front 59

Write the chemical formula for potassium hydrogen carbonate

back 59

KHCO₃

front 60

Write the chemical formula for silver chloride

back 60

AgCl

front 61

Write the chemical formula for zinc nitrate

back 61

Zn(NO₃)₂

front 62

Write the chemical formula for carbon disulfide

back 62

CS₂

front 63

Write the chemical formula for disulfur decafluoride

back 63

S₂F₁₀

front 64

Write the chemical formula for phosphorus trihydride

back 64

PH₃

front 65

Write the chemical formula for sulfur dioxide

back 65

SO₂

front 66

Determine the correct formula for chromium(II) nitrite.

A) CrNO₂

B) Cr₂NO₂

C) Cr(NO₂)₂

D) Cr₃(NO₂)₂

back 66

C) Cr(NO₂)₂

front 67

Determine the correct formula for manganese(II) fluoride.

A) MnF

B) MnF₂

C) MnF₃

D) Mn₂F

back 67

B) MnF₂

front 68

Determine the correct formula for titanium(IV) chloride.

A) TiCl₂

B) Ti₄Cl

C) Ti₂Cl₄

D) TiCl₄

back 68

D) TiCl₄

front 69

Which has the correct name-formula combination?

A) Iron(II) nitride - FeN

B) Nickel(II) oxide - NiO₂

C) Titanium(IV) phosphide - TiP

D) Manganese(II) sulfide - MnS

back 69

D) Manganese(II) sulfide - MnS

front 70

Which has the incorrect name-formula combination?

A) Iron(III) fluoride - FeF₃

B) Cobalt(II) oxide - CoO

C) Copper(I) sulfide - CuS

D) Chromium(II) bromide - CrBr₂

back 70

C) Copper(I) sulfide - CuS

front 71

Which has the incorrect name-formula combination?

A) Chromium(II) sulfate - CrSO₄

B) Cobalt(III) nitrate - Co(NO₃)₂

C) Nickel(II) nitrite - Ni(NO₂)₂

D) Manganese(III) sulfite - Mn₂(SO₃)₃

back 71

B) Cobalt(III) nitrate - Co(NO₃)₂

front 72

Which of the following is the correct Lewis symbol for a neutral atom of Mg?

A) see problem image

B) see problem image

C) see problem image

D) see problem image

back 72

B) see problem image

front 73

Which of the following is the correct Lewis symbol for the calcium ion?

A) see problem image

B) see problem image

C) see problem image

D) see problem image

back 73

B) see problem image

front 74

Which of the following is the correct Lewis symbol for the nitride ion?

A) see problem image

B) see problem image

C) see problem image

D) see problem image

back 74

C) see problem image

front 75

Which of the following is the correct Lewis symbol for the nitride ion?

A) see problem image

B) see problem image

C) see problem image

D) see problem image

back 75

C) see problem image

front 76

Identify which of the following molecules has a double bond.

A) O₂

B) H₂

C) Br₂

D) HF

back 76

A) O₂

front 77

Draw the Lewis structure of HF. Please place the elements in the order that they are written.

back 77

front 78

Draw the Lewis structure of methane (CH₄).

back 78

front 79

Draw the Lewis structure of NF₃.

back 79

front 80

Determine the number of valence electrons in CH₂Cl₂ and then draw the corresponding Lewis structure.

A) 23

B) 20

C) 16

D) 22

E) 24

back 80

B) 20

front 81

Determine the number of valence electrons in CH₂Cl₂ and then draw the corresponding Lewis structure.

A) 23

B) 20

C) 16

D) 22

E) 24

back 81

B) 20

front 82

Determine the number of valence electrons in SiF₄ and then draw the corresponding Lewis structure.

back 82

C) 32

front 83

The Lewis structure for OCl₂ shown below is incorrect. Starting from this structure, complete the correct structure.

back 83

front 84

Determine the number of valence electrons in NH₂OH and then draw the corresponding Lewis structure.

A) 16

B) 14

C) 13

D) 10

E) 15

back 84

B) 14

front 85

Determine the number of valence electrons in sulfuric acid (H₂SO₄) and then draw the corresponding Lewis structure (by following the octet rule on all atoms).

A) 32

B) 28

C) 36

D) 33

E) 30

back 85

A) 32

front 86

Which of the following is the strongest type of bond?

A) a single bond

B) a double bond

C) a triple bond

back 86

C) a triple bond

front 87

Which of the following has the shortest bond length?

A) a single bond

B) a double bond

C) a triple bond

back 87

C) a triple bond

front 88

Which one of the following is the most electronegative atom?

A) C

B) N

C) O

D) F

back 88

D) F

front 89

Based on their positions in the periodic table, which of the following bonds is the most polar?

A) C - O

B) C - N

C) C - B

D) C - F

back 89

D) C - F

front 90

Which one of the following statements is FALSE?

A) In a polar covalent bond, the electrons in the bond will be closer to the more electronegative atom

B) In a nonpolar covalent bond, the electrons in the bond are equally balanced between the two atoms

C) In a bond between boron and hydrogen, the electrons will be unequally shared

D) A bond between nitrogen and oxygen will be polar

E) In a bond between magnesium and sulfur, the electrons will be shared and closer to the sulfur

back 90

E) In a bond between magnesium and sulfur, the electrons will be shared and closer to the sulfur

front 91

Draw the Lewis structure of CBr₄ and then determine its electron domain and molecular geometries.Click to edit molecule

A) trigonal / planar

B) linear / trigonal pyramidal

C) tetrahedral / tetrahedral

D) planar / trigonal

E) planar / tetrahedral

back 91

C) tetrahedral / tetrahedral

front 92

Draw the Lewis structure of HCN and then determine its electron domain and molecular geometries.Click to edit molecule

A) tetrahedral / planar

B) trigonal planar / tetrahedral

C) tetrahedral / bent (109.5º)

D) linear / linear

E) bent (120º) / bent (109.5º)

back 92

D) linear / linear

front 93

Draw the Lewis structure of SF₄ and then determine its electron domain and molecular geometries.Click to edit molecule

A) trigonal planar / tetrahedral

B) trigonal / trigonal planar

C) pyramidal / pyramidal

D) trigonal bipyramidal / see-saw

E) trigonal / bent (109.5º)

back 93

D) trigonal bipyramidal / see-saw

front 94

Draw the Lewis structure of OF₂ and then determine the ideal bonding angle(s) of the central atom.Click to edit molecule

A) 135º

B) 45º

C) 120º

D) 60º

E) 109.5º

back 94

E) 109.5º

front 95

Draw the Lewis structure of SO₂ (by following the octet rule on all atoms) and then determine the ideal bonding angle(s) of the central atom.Click to edit molecule

A) 109.5º

B) 180º

C) 120º

D) 60º

E) 30º

back 95

C) 120º

front 96

A Lewis structure for a different isomer C₂H₂F₂ is shown below. Based on this structure, determine if the molecule is polar or nonpolar.

A) Nonpolar

B) Polar

back 96

A) Nonpolar

front 97

A Lewis structure for the molecule phenol (C₆H₅OH) is shown below. Based on this structure, determine if the molecule is polar or nonpolar.

A) Nonpolar

B) Polar

back 97

B) Polar

front 98

Draw the Lewis structure of CH₃F and then determine if the molecule is polar or nonpolar.

back 98

B) Polar

front 99

A Lewis structure for one isomer C₂H₂F₂ is shown below. Based on this structure, determine if the molecule is polar or nonpolar.

A) Nonpolar

B) Polar

back 99

B) Polar

front 100

Draw the Lewis structure of carbon monoxide (CO) and then determine if the molecule is polar or nonpolar. Please place the elements in the order that they are written.

A) Nonpolar

B) Polar

back 100

B) Polar

front 101

Which one of the following best describes the difference between molar mass and formula weight?

A) Formula weights are measured in grams per mole, while molar masses are measured in atomic mass units.

B) A formula weight is the mass of one molecule or formula unit while a molar mass is the mass of one mole of molecules or formula units.

C) Molar masses only describe the mass of ionic compounds, while formula weights can describe any compound.

D) There is no difference between molar masses and formula weights.+

back 101

B) A formula weight is the mass of one molecule or formula unit while a molar mass is the mass of one mole of molecules or formula units.

front 102

Determine the formula weight of Ca(NO₃)₂

back 102

164.10 amu

front 103

Determine the molar mass of Fe(NO₃)₂.

back 103

179.85 g/mol

front 104

Which of the following has the greatest molar mass?

A) CaF₂

B) MgBr₂

C) CsF

D) RbCl

back 104

B) MgBr₂

front 105

A hydrocarbon is referred to as __________ if all the bonds in the molecule are single bonds.

A) aromatic

B) saturated

C) unsaturated

D) planar

E) octahedral

back 105

B) saturated