Question 1

Place the following in order of increasing IE1. K Ca Rb

Accepted Answer

A)  Ca < K < Rb 
B)  Rb < Ca < K 
C)  Ca < Rb < K 
D)  Rb < K < Ca 
E)  K < Ca < Rb 
A)  Ca < K < Rb 
B)  Rb < Ca < K 
C)  Ca < Rb < K 
D)  Rb < K < Ca 
E)  K < Ca < Rb

Question 2

Define paramagnetic.

Accepted Answer

Paramagnetic is when

Question 3

How many valence electrons does an atom of N have?

Accepted Answer

A)  3 
B)  5 
C)  2 
D)  1 
E)  7 
A)  3 
B)  5 
C)  2 
D)  1 
E)  7

Question 4

When filling degenerate orbitals,electrons fill them singly first,with parallel spins.This is known as (the)

Accepted Answer

A)  Pauli exclusion principle. 
B)  Hund's rule. 
C)  Aufbau principle. 
D)  Heisenberg uncertainty principle. 
A)  Pauli exclusion principle. 
B)  Hund's rule. 
C)  Aufbau principle. 
D)  Heisenberg uncertainty principle.

Question 5

How many valence shell electrons does an atom of thallium have?

Accepted Answer

A)  1 
B)  4 
C)  3 
D)  81 
E)  7 
A)  1 
B)  4 
C)  3 
D)  81 
E)  7

Question 6

Identify the number of valence electrons for Li.

Accepted Answer

A)  8 
B)  6 
C)  4 
D)  1 
E)  0 
A)  8 
B)  6 
C)  4 
D)  1 
E)  0

Question 7

Identify the elements correctly shown by decreasing radii size.

Accepted Answer

A)  N3- > N 
B)  K+ > K 
C)  N > N3- 
D)  Cu2+ > Cu+ 
E)  S-  > S2- 
A)  N3- > N 
B)  K+ > K 
C)  N > N3- 
D)  Cu2+ > Cu+ 
E)  S-  > S2-

Question 8

Give the ground state electron configuration for Cd2+.

Accepted Answer

Question 9

Identify the element with the highest melting point.

Accepted Answer

A)  Ne 
B)  Ar 
C)  Kr 
D)  Xe 
A)  Ne 
B)  Ar 
C)  Kr 
D)  Xe

Question 10

Give the ground state electron configuration for Br-.

Accepted Answer

A)  [Ar]4s23d104p5 
B)  [Ar]4s23d104p3 
C)  [Ar]4s24p6 
D)  [Ar]4s23d104p6 
E)  [Ar]4s23d84p6 
A)  [Ar]4s23d104p5 
B)  [Ar]4s23d104p3 
C)  [Ar]4s24p6 
D)  [Ar]4s23d104p6 
E)  [Ar]4s23d84p6

Question 11

Place the following in order of increasing IE1. N F As

Accepted Answer

A)  N < As < F 
B)  As < N < F 
C)  F < N < As 
D)  As < F < N 
E)  F < As < N 
A)  N < As < F 
B)  As < N < F 
C)  F < N < As 
D)  As < F < N 
E)  F < As < N

Question 12

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 13

Give the number of valence electrons for Mg2+.

Accepted Answer

Question 14

Give the number of core electrons for Cd.

Accepted Answer

A)  44 
B)  48 
C)  46 
D)  45 
E)  47 
A)  44 
B)  48 
C)  46 
D)  45 
E)  47

Question 15

Identify the states of the halogens at room temperature.

Accepted Answer

A)  Fluorine, chlorine, bromine, and iodine are gases. 
B)  Fluorine, chlorine, and bromine are gases, and iodine is a solid. 
C)  Fluorine and iodine are gases, chlorine and bromine are gases. 
D)  Fluorine is a gas, chlorine and bromine are liquids, and iodine is a solid. 
E)  Fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid. 
A)  Fluorine, chlorine, bromine, and iodine are gases. 
B)  Fluorine, chlorine, and bromine are gases, and iodine is a solid. 
C)  Fluorine and iodine are gases, chlorine and bromine are gases. 
D)  Fluorine is a gas, chlorine and bromine are liquids, and iodine is a solid. 
E)  Fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid.

Question 16

The element that corresponds to the electron configuration 1s22s22p63s23p64s13d5 is

Accepted Answer

A)  titanium. 
B)  vanadium. 
C)  chromium. 
D)  manganese. 
E)  iron. 
A)  titanium. 
B)  vanadium. 
C)  chromium. 
D)  manganese. 
E)  iron.

Question 17

Give the number of core electrons for phosphorus.

Accepted Answer

A)  3 
B)  6 
C)  10 
D)  7 
E)  11 
A)  3 
B)  6 
C)  10 
D)  7 
E)  11

Question 18

Place the following in order of increasing radius. Sr2⁺ Se2⁻ Br⁻

Accepted Answer

A)  Sr2⁺ 2⁻ 
B)  Br⁻ 2⁺ 2⁻ 
C)  Se2⁻ 2⁺ 
D)  Sr2⁺ 2⁻ 2⁻ 2⁺ 
A)  Sr2⁺ 2⁻ 
B)  Br⁻ 2⁺ 2⁻ 
C)  Se2⁻ 2⁺ 
D)  Sr2⁺ 2⁻ 2⁻ 2⁺

Question 19

How many of the following elements have 1 unpaired electron in the ground state? B Al Se Cl

Accepted Answer

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

Question 20

Define ionization energy.

Accepted Answer

Ionization energy is

Exam 8: Periodic Properties of the Elements

Place the following in order of increasing IE1. K Ca Rb

Define paramagnetic.

How many valence electrons does an atom of N have?

When filling degenerate orbitals,electrons fill them singly first,with parallel spins.This is known as (the)

How many valence shell electrons does an atom of thallium have?

Identify the number of valence electrons for Li.

Identify the elements correctly shown by decreasing radii size.

Give the ground state electron configuration for Cd2+.

Identify the element with the highest melting point.

Give the ground state electron configuration for Br-.

Place the following in order of increasing IE1. N F As

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

Give the number of valence electrons for Mg2+.

Give the number of core electrons for Cd.

Identify the states of the halogens at room temperature.

The element that corresponds to the electron configuration 1s22s22p63s23p64s13d5 is

Give the number of core electrons for phosphorus.

Place the following in order of increasing radius. Sr2⁺ Se2⁻ Br⁻

How many of the following elements have 1 unpaired electron in the ground state? B Al Se Cl

Define ionization energy.

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

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

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Place the following in order of increasing IE₁. K Ca Rb

Give the ground state electron configuration for Cd²⁺.

Give the ground state electron configuration for Br^-.

Place the following in order of increasing IE₁. N F As

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

Give the number of valence electrons for Mg²⁺.

The element that corresponds to the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹3d⁵ is

Place the following in order of increasing radius. Sr²⁺ Se²⁻ Br⁻