Quiz 2 - Flashcards

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

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

A) K

B) Sr

C) Sc

D) SE) Ga

Which of the following is NOT a metalloid?

A) Pb

B) B

C) Ge

D) Sb

E) Te

Which of the following elements is NOT a metal?

A) arsenic

B) indium

C) iridium

D) lithium

E) lutetium

Which of the following is a main group element?

A) Yttrium

B) Osmium

C) Holmium

D) Californium

E) Bismuth

Which of the following is an alkaline earth metal?

A) Rubidium

B) Beryllium

C) Iridium

D) Americium

E) Phosphorous

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

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)

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

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

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

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

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

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

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

A) Al₂S₃

B) Al₂S

C) AlS₃

D) Al₃S₂

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.

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

A) Cl₂O₇

B) KCl

C) KNO₃

D) N₂O₄

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

B) N₂O₅

C) Li₃N

D) AlN

Which of the following compounds does NOT exhibit covalent bonding?

A) CO₂

B) COC) CoCl₂

D) HCOOH

E) Na₂CO₃

Which of the following is a molecular compound?

A) P₄

B) BaBr₂

C) N₂O

D) CaO

E) Ag

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

The compound NaBr is:

A) Ionic

B) Polar covalent

C) Nonpolar covalent

D) Metallic

E) Not enough info

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

A) K - F

B) C - H

C) Kr - H

D) C - F

What is the correct IUPAC name for Ag₂S?

What is the correct IUPAC name for AlN?

What is the correct IUPAC name for BaS?

What is the correct IUPAC name for K₂O

What is the correct IUPAC name for MgF₂?

What is the correct IUPAC name for Au₂O₃?

What is the correct IUPAC name for CrCl₂?

What is the correct IUPAC name for CrCl₂?

What is the correct IUPAC name for FeCl₃?

What is the correct IUPAC name for MnF₃?

What is the correct IUPAC name for SnS₂?

What is the correct IUPAC name for AlPO₄?

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

What is the correct IUPAC name for Li₃PO₄?

What is the correct IUPAC name for Na₂SO₃?

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

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

What is the correct IUPAC name for SnSO₄?

What is the correct IUPAC name for CuClO₃?

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

What is the correct IUPAC name for LiOH?

What is the correct IUPAC name for IF₅?

What is the correct IUPAC name for PBr₃?

What is the correct IUPAC name for SCl₂?

What is the correct IUPAC name for SiCl₄?

What is the correct IUPAC name for S₂F₈?

Write the chemical formula for the chlorite ion

Write the chemical formula for the nitrate ionNO³⁻

Write the chemical formula for ammonium hydroxide

Write the chemical formula for calcium chloride

Write the chemical formula for chromium(III) phosphate

Write the chemical formula for cobalt(II) hydrogen carbonate

Write the chemical formula for copper(I) hydroxide

Write the chemical formula for iron(III) oxideFe₂O₃

Write the chemical formula for lead(II) nitrate

Write the chemical formula for potassium hydrogen carbonate

Write the chemical formula for silver chloride

Write the chemical formula for zinc nitrate

Write the chemical formula for carbon disulfide

Write the chemical formula for disulfur decafluoride

Write the chemical formula for phosphorus trihydride

Write the chemical formula for sulfur dioxide

Determine the correct formula for chromium(II) nitrite.

A) CrNO₂

B) Cr₂NO₂

C) Cr(NO₂)₂

D) Cr₃(NO₂)₂

Determine the correct formula for manganese(II) fluoride.

A) MnF

B) MnF₂

C) MnF₃

D) Mn₂F

Determine the correct formula for titanium(IV) chloride.

A) TiCl₂

B) Ti₄Cl

C) Ti₂Cl₄

D) TiCl₄

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

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

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

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

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

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

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

Identify which of the following molecules has a double bond.

A) O₂

B) H₂

C) Br₂

D) HF

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

Draw the Lewis structure of methane (CH₄).

Draw the Lewis structure of NF₃.

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

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

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

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

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

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

Which of the following is the strongest type of bond?

A) a single bond

B) a double bond

C) a triple bond

Which of the following has the shortest bond length?

A) a single bond

B) a double bond

C) a triple bond

Which one of the following is the most electronegative atom?

A) C

B) N

C) O

D) F

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

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

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

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)

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)

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

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

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

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

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

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

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

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.+

Determine the formula weight of Ca(NO₃)₂

Determine the molar mass of Fe(NO₃)₂.

Which of the following has the greatest molar mass?

A) CaF₂

B) MgBr₂

C) CsF

D) RbCl

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