Question 1

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

Accepted Answer

A)  Br⁻ < Rb⁺ < Na⁺ 
B)  Na⁺ < Rb⁺ < Br⁻ 
C)  Rb⁺ < Br⁻ < Na⁺ 
D)  Br⁻ < Na⁺ < Rb⁺ 
E)  Rb⁺ < Na⁺ < Br⁻ 
A)  Br⁻ < Rb⁺ < Na⁺ 
B)  Na⁺ < Rb⁺ < Br⁻ 
C)  Rb⁺ < Br⁻ < Na⁺ 
D)  Br⁻ < Na⁺ < Rb⁺ 
E)  Rb⁺ < Na⁺ < Br⁻

Question 2

Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion.
IE2 = 2250 IE3 = 3360 IE4= 4560 IE5= 7010 IE6= 8500 IE7 = 27,100

Accepted Answer

The large increase in ionizati

Question 3

Which of the following elements has chemical properties similar to barium?

Accepted Answer

A)  lithium 
B)  xenon 
C)  calcium 
D)  carbon 
E)  iron 
A)  lithium 
B)  xenon 
C)  calcium 
D)  carbon 
E)  iron

Question 4

Give the complete electronic configuration for S2-.

Accepted Answer

A)  1s22s22p63s24p6 
B)  1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  1s22s23p64s25p6 
E)  1s22s2p63s2p6 
A)  1s22s22p63s24p6 
B)  1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  1s22s23p64s25p6 
E)  1s22s2p63s2p6

Question 5

Predict the charge that a calcium ion would have.

Accepted Answer

A)  6- 
B)  2- 
C)  3+ 
D)  2+ 
E)  1+ 
A)  6- 
B)  2- 
C)  3+ 
D)  2+ 
E)  1+

Question 6

Which of the following elements is an alkaline earth metal?

Accepted Answer

A)  Ce 
B)  O 
C)  F 
D)  K 
E)  Sr 
A)  Ce 
B)  O 
C)  F 
D)  K 
E)  Sr

Question 7

Which element would most likely form an ion with a charge of -2?

Accepted Answer

A)  Te 
B)  I 
C)  N 
D)  Na 
E)  Al 
A)  Te 
B)  I 
C)  N 
D)  Na 
E)  Al

Question 8

Which of the following does NOT describe a nonmetal?

Accepted Answer

A)  tend to gain electrons 
B)  found in the upper right hand corner of the periodic table 
C)  poor conductor of electricity 
D)  relatively unreactive 
E)  poor conductor of heat 
A)  tend to gain electrons 
B)  found in the upper right hand corner of the periodic table 
C)  poor conductor of electricity 
D)  relatively unreactive 
E)  poor conductor of heat

Question 9

Identify the element that has a ground state electronic configuration of [Ar]4s23d7.

Accepted Answer

A)  tungsten 
B)  zinc 
C)  rhenium 
D)  cobalt 
E)  calcium 
A)  tungsten 
B)  zinc 
C)  rhenium 
D)  cobalt 
E)  calcium

Question 10

Semiconductors are

Accepted Answer

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

Question 11

Place the following in order of decreasing IE1. Cs Mg Ar

Accepted Answer

A)  Cs > Mg > Ar 
B)  Mg > Ar > Cs 
C)  Ar > Mg > Cs 
D)  Cs > Ar > Mg 
E)  Mg > Cs > Ar 
A)  Cs > Mg > Ar 
B)  Mg > Ar > Cs 
C)  Ar > Mg > Cs 
D)  Cs > Ar > Mg 
E)  Mg > Cs > Ar

Question 12

Give the ground state electron configuration for the ion of Ba.

Accepted Answer

A)  [Kr]5s25p6 
B)  [Kr]5s24d105p66s26p2 
C)  [Kr]5s24d105p66s1 
D)  [Kr]5s24d105p66s2 
E)  [Kr]5s24d105p6 
A)  [Kr]5s25p6 
B)  [Kr]5s24d105p66s26p2 
C)  [Kr]5s24d105p66s1 
D)  [Kr]5s24d105p66s2 
E)  [Kr]5s24d105p6

Question 13

Identify the element that has a ground state electronic configuration of [Kr]5s24d5.

Accepted Answer

A)  Tc 
B)  Mn 
C)  Nb 
D)  Ru 
A)  Tc 
B)  Mn 
C)  Nb 
D)  Ru

Question 14

Halogens can react with each other to form

Accepted Answer

A)  covalent bonds. 
B)  ionic bonds. 
C)  salts. 
D)  hydrogen halides. 
E)  metal halides. 
A)  covalent bonds. 
B)  ionic bonds. 
C)  salts. 
D)  hydrogen halides. 
E)  metal halides.

Question 15

Place the following in order of decreasing radius. Te2⁻ F⁻ O2⁻

Accepted Answer

A)  F⁻ > O2⁻ > Te2⁻ 
B)  F⁻ > Te2⁻ > O2⁻ 
C)  Te2⁻ > O2⁻ > F⁻ 
D)  Te2⁻ > F⁻ > O2⁻ 
E)  O2⁻ > F⁻ > Te2⁻ 
A)  F⁻ > O2⁻ > Te2⁻ 
B)  F⁻ > Te2⁻ > O2⁻ 
C)  Te2⁻ > O2⁻ > F⁻ 
D)  Te2⁻ > F⁻ > O2⁻ 
E)  O2⁻ > F⁻ > Te2⁻

Question 16

Predict the charge that an aluminum ion would have.

Accepted Answer

A)  5- 
B)  1+ 
C)  1- 
D)  2+ 
E)  3+ 
A)  5- 
B)  1+ 
C)  1- 
D)  2+ 
E)  3+

Question 17

For a given atom,identify the species that has the smallest radius.

Accepted Answer

A)  cation 
B)  anion 
C)  neutral 
D)  They are all the same size. 
A)  cation 
B)  anion 
C)  neutral 
D)  They are all the same size.

Question 18

Give the ground state electron configuration for Pb.

Accepted Answer

A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2 
A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2

Question 19

Give the ground state electron configuration for Cd.

Accepted Answer

A)  [Kr]5s25d10 
B)  [Kr]5s24d105p2 
C)  [Kr]4d10 
D)  [Kr]5s24d8 
E)  [Kr]5s24d10 
A)  [Kr]5s25d10 
B)  [Kr]5s24d105p2 
C)  [Kr]4d10 
D)  [Kr]5s24d8 
E)  [Kr]5s24d10

Question 20

Which species has the highest ionization energy?

Accepted Answer

A)  Mg 
B)  Mg+ 
C)  Mg2+ 
D)  Al+ 
E)  Al2+ 
A)  Mg 
B)  Mg+ 
C)  Mg2+ 
D)  Al+ 
E)  Al2+

Exam 4: Periodic Properties of the Elements

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion. IE2 = 2250 IE3 = 3360 IE4= 4560 IE5= 7010 IE6= 8500 IE7 = 27,100

Which of the following elements has chemical properties similar to barium?

Give the complete electronic configuration for S2-.

Predict the charge that a calcium ion would have.

Which of the following elements is an alkaline earth metal?

Which element would most likely form an ion with a charge of -2?

Which of the following does NOT describe a nonmetal?

Identify the element that has a ground state electronic configuration of [Ar]4s23d7.

Semiconductors are

Place the following in order of decreasing IE1. Cs Mg Ar

Give the ground state electron configuration for the ion of Ba.

Identify the element that has a ground state electronic configuration of [Kr]5s24d5.

Halogens can react with each other to form

Place the following in order of decreasing radius. Te2⁻ F⁻ O2⁻

Predict the charge that an aluminum ion would have.

For a given atom,identify the species that has the smallest radius.

Give the ground state electron configuration for Pb.

Give the ground state electron configuration for Cd.

Which species has the highest ionization energy?

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Below is a list of successive ionization energies (in kJ/mol)for a period 3 element.Identify the element and explain how you came to that conclusion. IE₂ = 2250 IE₃ = 3360 IE₄= 4560 IE₅= 7010 IE₆= 8500 IE₇= 27,100

Give the complete electronic configuration for S^2-.

Identify the element that has a ground state electronic configuration of [Ar]4s²3d⁷.

Place the following in order of decreasing IE₁. Cs Mg Ar

Identify the element that has a ground state electronic configuration of [Kr]5s²4d⁵.

Place the following in order of decreasing radius. Te²⁻ F⁻ O²⁻