Question 1

Using the periodic table,identify the element with the following exception electron configuration: [Ar]4s13d5

Accepted Answer

A) Ni 
B) Co 
C) Cr 
D) Mn 
E) Fe 
A) Ni 
B) Co 
C) Cr 
D) Mn 
E) Fe

Question 2

Place the following elements in order of decreasing atomic radius. 
Xe$\quad$Rb$\quad$Ar

Accepted Answer

A) Ar > Xe > Rb 
B) Xe > Rb > Ar 
C) Ar > Rb > Xe 
D) Rb > Xe > Ar 
E) Rb > Ar > Xe 
A) Ar > Xe > Rb 
B) Xe > Rb > Ar 
C) Ar > Rb > Xe 
D) Rb > Xe > Ar 
E) Rb > Ar > Xe

Question 3

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s14d8

Accepted Answer

A) Tc 
B) Ru 
C) Os 
D) Rh 
E) V 
A) Tc 
B) Ru 
C) Os 
D) Rh 
E) V

Question 4

What was the predicted formula for the oxide of eka-silicon (germanium)?

Accepted Answer

A) XO2 
B) XO 
C) XO4 
D) XO3 
A) XO2 
B) XO 
C) XO4 
D) XO3

Question 5

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s14f145d9

Accepted Answer

A) Au 
B) Pt 
C) Pd 
D) Tl 
E) Hf 
A) Au 
B) Pt 
C) Pd 
D) Tl 
E) Hf

Question 6

Use the periodic table to predict the most stable oxidation state for the following element: Na

Accepted Answer

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

Question 7

How many valence electrons do the halogens possess?

Accepted Answer

A) 5 
B) 6 
C) 2 
D) 1 
E) 7 
A) 5 
B) 6 
C) 2 
D) 1 
E) 7

Question 8

What was the predicted formula for the chloride of eka-aluminum (gallium)?

Accepted Answer

A) XCl 
B) XCl2 
C) XCl3 
D) XCl4 
A) XCl 
B) XCl2 
C) XCl3 
D) XCl4

Question 9

How many valence electrons do the alkaline earth metals possess?

Accepted Answer

A) 1 
B) 2 
C) 7 
D) 6 
E) 8 
A) 1 
B) 2 
C) 7 
D) 6 
E) 8

Question 10

Using the periodic table,identify the element with the following exception electron configuration: [Kr]4d10

Accepted Answer

A) Sn 
B) Ru 
C) Sr 
D) Cd 
E) Pd 
A) Sn 
B) Ru 
C) Sr 
D) Cd 
E) Pd

Question 11

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; iodine is a solid. 
C) All 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; iodine is a solid. 
C) All 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 12

An element that has the valence electron configuration 5s25p3 belongs to which period and group?

Accepted Answer

A) period 5; group 15 
B) period 5; group 2 
C) period 5; group 3 
D) period 5; group 5 
E) period 4; group 13 
A) period 5; group 15 
B) period 5; group 2 
C) period 5; group 3 
D) period 5; group 5 
E) period 4; group 13

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

How many unpaired electrons are there in the ground-state of As?

Accepted Answer

A) 0 
B) 4 
C) 3 
D) 2 
E) 1 
A) 0 
B) 4 
C) 3 
D) 2 
E) 1

Question 15

Identify a characteristic of halogens.

Accepted Answer

A) powerful reducing agents 
B) forms water in reactions 
C) powerful oxidizing agents 
D) absorbs water in reactions 
E) inert 
A) powerful reducing agents 
B) forms water in reactions 
C) powerful oxidizing agents 
D) absorbs water in reactions 
E) inert

Question 16

Use the periodic table to determine the ground-state electron configuration for the following element: F

Accepted Answer

A) [He]2s22p5 
B) [He]2s23p5 
C) [He]3s22p5 
D) [He]2s21d102p5 
E) [He]3s23p5 
A) [He]2s22p5 
B) [He]2s23p5 
C) [He]3s22p5 
D) [He]2s21d102p5 
E) [He]3s23p5

Question 17

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Accepted Answer

A) (ns1) 
B) (ns2) 
C) (1s22s1) 
D) (1s22s2) 
A) (ns1) 
B) (ns2) 
C) (1s22s1) 
D) (1s22s2)

Question 18

Use the periodic table to determine the ground-state electron configuration for the following element: Zr

Accepted Answer

A) [Kr]5s24d105p2 
B) [Kr]5s25p2 
C) [Kr]5s25d2 
D) [Kr]5s24d2 
E) [Kr]5s24d105p4 
A) [Kr]5s24d105p2 
B) [Kr]5s25p2 
C) [Kr]5s25d2 
D) [Kr]5s24d2 
E) [Kr]5s24d105p4

Question 19

Identify the ground-state electron configuration for Sr.

Accepted Answer

A) [Kr]5s24d2 
B) [Kr]5s24d105p2 
C) [Kr]5s2 
D) [Kr]5s25d105p2 
E) [Kr]5s24d10 
A) [Kr]5s24d2 
B) [Kr]5s24d105p2 
C) [Kr]5s2 
D) [Kr]5s25d105p2 
E) [Kr]5s24d10

Question 20

Use the periodic table to determine the ground-state electron configuration for the following element: Cu

Accepted Answer

A) [Ar]4s23d9 
B) [Ar]4s13d10 
C) [Ar]4s24d9 
D) [Ar]4s14d10 
E) [Ar]4s24p1 
A) [Ar]4s23d9 
B) [Ar]4s13d10 
C) [Ar]4s24d9 
D) [Ar]4s14d10 
E) [Ar]4s24p1

Exam 8: Periodic Properties of the Elements

Using the periodic table,identify the element with the following exception electron configuration: [Ar]4s13d5

Place the following elements in order of decreasing atomic radius. Xe \quad Rb \quad Ar

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s14d8

What was the predicted formula for the oxide of eka-silicon (germanium)?

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s14f145d9

Use the periodic table to predict the most stable oxidation state for the following element: Na

How many valence electrons do the halogens possess?

What was the predicted formula for the chloride of eka-aluminum (gallium)?

How many valence electrons do the alkaline earth metals possess?

Using the periodic table,identify the element with the following exception electron configuration: [Kr]4d10

Identify the states of the halogens at room temperature.

An element that has the valence electron configuration 5s25p3 belongs to which period and group?

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

How many unpaired electrons are there in the ground-state of As?

Identify a characteristic of halogens.

Use the periodic table to determine the ground-state electron configuration for the following element: F

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Use the periodic table to determine the ground-state electron configuration for the following element: Zr

Identify the ground-state electron configuration for Sr.

Use the periodic table to determine the ground-state electron configuration for the following element: Cu

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules,compounds,and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Using the periodic table,identify the element with the following exception electron configuration: [Ar]4s¹3d⁵

Place the following elements in order of decreasing atomic radius. Xe $\quad$ Rb $\quad$ Ar

Using the periodic table,identify the element with the following exception electron configuration: [Kr]5s¹4d⁸

Using the periodic table,identify the element with the following exception electron configuration: [Xe]6s¹4f¹⁴5d⁹

Using the periodic table,identify the element with the following exception electron configuration: [Kr]4d¹⁰

An element that has the valence electron configuration 5s²5p³ belongs to which period and group?

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