Question 1

Arrange these ions in order of increasing ionic radius: K+ ,P3- ,S2- ,Cl-.

Accepted Answer

A) K+ - 2- 3- 
B) K+ 3- 2- - 
C) P3- 2- l- + 
D) Cl- 2- 3- + 
E) Cl- 2- + 3- 
A) K+ - 2- 3- 
B) K+ 3- 2- - 
C) P3- 2- l- + 
D) Cl- 2- 3- + 
E) Cl- 2- + 3-

Question 2

Who noticed that the periodic table was arranged in order of atomic mass,where every eighth element had similar properties,and called this the law of octaves?

Accepted Answer

A) Meyer 
B) Newlands 
C) Moseley 
D) Mendeleev 
E) Thomson 
A) Meyer 
B) Newlands 
C) Moseley 
D) Mendeleev 
E) Thomson

Question 3

Consider the element with the electron configuration [Xe]6s24f7.This element is

Accepted Answer

A) a halogen. 
B) a lanthanide element. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas. 
A) a halogen. 
B) a lanthanide element. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas.

Question 4

Arrange these ions in order of increasing ionic radius: K+,P3-,S2-,Cl-.

Accepted Answer

A) K+ - 2- 3- 
B) K+ 3- 2- - 
C) P3- 2- - + 
D) Cl- 2- 3- + 
E) Cl- 2- + 3- 
A) K+ - 2- 3- 
B) K+ 3- 2- - 
C) P3- 2- - + 
D) Cl- 2- 3- + 
E) Cl- 2- + 3-

Question 5

Which of the following elements has the largest first ionization energy?

Accepted Answer

A) Na 
B) Cl 
C) Ca 
D) Te 
E) Br 
A) Na 
B) Cl 
C) Ca 
D) Te 
E) Br

Question 6

Which of the following elements has the largest atomic size?

Accepted Answer

A) S 
B) Ca 
C) Ba 
D) Po 
E) Rn 
A) S 
B) Ca 
C) Ba 
D) Po 
E) Rn

Question 7

The general electron configuration for atoms of the halogen group is

Accepted Answer

A) ns2np6. 
B) ns2np5. 
C) ns2np6 (n - 1)d7. 
D) ns1. 
E) ns2np7. 
A) ns2np6. 
B) ns2np5. 
C) ns2np6 (n - 1)d7. 
D) ns1. 
E) ns2np7.

Question 8

Which of these elements exhibits chemical behavior similar to that of silver?

Accepted Answer

A) nickel 
B) gold 
C) sulfur 
D) chlorine 
E) iron 
A) nickel 
B) gold 
C) sulfur 
D) chlorine 
E) iron

Question 9

Elements with _______________ first ionization energies and ___________ electron affinities generally form anions.

Accepted Answer

A) low,very positive 
B) high,positive or slightly negative 
C) low,positive or slightly negative 
D) high,very positive 
E) None of these is generally correct. 
A) low,very positive 
B) high,positive or slightly negative 
C) low,positive or slightly negative 
D) high,very positive 
E) None of these is generally correct.

Question 10

Elements in which the outermost electron has the same principal quantum number,n,show similar chemical properties.

Accepted Answer

A) True 
 B)False

Question 11

Which one of the following equations correctly represents the process involved in the electron affinity of X?

Accepted Answer

A) X(g)→ X+(g)+ e- 
B) X+(g)→ X+(aq) 
C) X+(g)+ e- → X(g) 
D) X(g)+ e- → X-(g) 
E) X+(g)+ Y-(g)→ XY(s) 
A) X(g)→ X+(g)+ e- 
B) X+(g)→ X+(aq) 
C) X+(g)+ e- → X(g) 
D) X(g)+ e- → X-(g) 
E) X+(g)+ Y-(g)→ XY(s)

Question 12

Which atom has the smallest atomic radius in the third period of the periodic table?

Accepted Answer

The answer of Which atom has the smallest atomic radius...

Question 13

Which of the following is an amphoteric oxide?

Accepted Answer

A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7 
A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7

Question 14

Which of these elements exhibits chemical behavior similar to that of potassium?

Accepted Answer

A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron 
A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron

Question 15

The electron configuration of atomic argon is the same as the chloride ion (Cl-).

Accepted Answer

A) True 
 B)False

Question 16

Which of these elements has the greatest metallic character?

Accepted Answer

A) Br 
B) F 
C) Ge 
D) Mn 
E) Sc 
A) Br 
B) F 
C) Ge 
D) Mn 
E) Sc

Question 17

Consider the set of isoelectronic atoms and ions A2-,B-,C,D+,and E2+.Which arrangement of relative radii is correct?

Accepted Answer

A) A2- > B- > C > D+ > E2+ 
B) E2+ > D+ > C > B- > A2- 
C) A2- > B- > C + 2+ 
D) A2- -  D+ > E2+ 
E) None of these relative radii statements is correct. 
A) A2- > B- > C > D+ > E2+ 
B) E2+ > D+ > C > B- > A2- 
C) A2- > B- > C + 2+ 
D) A2- -  D+ > E2+ 
E) None of these relative radii statements is correct.

Question 18

Who found that the atomic number was equal to the number of protons in the nucleus and to the number of electrons outside the nucleus in a neutral atom?

Accepted Answer

A) Meyer 
B) Newlands 
C) Moseley 
D) Mendeleev 
E) Thomson 
A) Meyer 
B) Newlands 
C) Moseley 
D) Mendeleev 
E) Thomson

Question 19

Which one of these ions has the largest radius?

Accepted Answer

A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2- 
A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2-

Question 20

The first ionization energies of noble gases are _______________.

Accepted Answer

A) very positive 
B) slightly negative 
C) slightly positive 
D) very negative 
E) zero 
A) very positive 
B) slightly negative 
C) slightly positive 
D) very negative 
E) zero

Exam 7: Electron Configuration and the Periodic Table

Arrange these ions in order of increasing ionic radius: K+ ,P3- ,S2- ,Cl-.

Who noticed that the periodic table was arranged in order of atomic mass,where every eighth element had similar properties,and called this the law of octaves?

Consider the element with the electron configuration [Xe]6s24f7.This element is

Arrange these ions in order of increasing ionic radius: K+,P3-,S2-,Cl-.

Which of the following elements has the largest first ionization energy?

Which of the following elements has the largest atomic size?

The general electron configuration for atoms of the halogen group is

Which of these elements exhibits chemical behavior similar to that of silver?

Elements with _______________ first ionization energies and ___________ electron affinities generally form anions.

Elements in which the outermost electron has the same principal quantum number,n,show similar chemical properties.

Which one of the following equations correctly represents the process involved in the electron affinity of X?

Which atom has the smallest atomic radius in the third period of the periodic table?

Which of the following is an amphoteric oxide?

Which of these elements exhibits chemical behavior similar to that of potassium?

The electron configuration of atomic argon is the same as the chloride ion (Cl-).

Which of these elements has the greatest metallic character?

Consider the set of isoelectronic atoms and ions A2-,B-,C,D+,and E2+.Which arrangement of relative radii is correct?

Who found that the atomic number was equal to the number of protons in the nucleus and to the number of electrons outside the nucleus in a neutral atom?

Which one of these ions has the largest radius?

The first ionization energies of noble gases are _______________.

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

Arrange these ions in order of increasing ionic radius: K⁺ ,P^3- ,S^2- ,Cl^-.

Consider the element with the electron configuration [Xe]6s²4f⁷.This element is

Arrange these ions in order of increasing ionic radius: K⁺,P^3-,S^2-,Cl^-.

Elements with _____ first ionization energies and _ electron affinities generally form anions.

Consider the set of isoelectronic atoms and ions A^2-,B^-,C,D⁺,and E²⁺.Which arrangement of relative radii is correct?