Question 1

In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s24d105p2

Accepted Answer

A)  row 4, group 4A 
B)  row 4, group 5A 
C)  row 5, group 4A 
D)  row 5, group 5A 
E)  none of the above 
A)  row 4, group 4A 
B)  row 4, group 5A 
C)  row 5, group 4A 
D)  row 5, group 5A 
E)  none of the above C

Question 2

Which of the following is the electron configuration of a sulfide ion

Accepted Answer

A)  [Ne]3s23p4 
B)  [Ne] 
C)  [Ne]3s23p1 
D)  [Ar] 
E)  [Ne]3s23p2 
A)  [Ne]3s23p4 
B)  [Ne] 
C)  [Ne]3s23p1 
D)  [Ar] 
E)  [Ne]3s23p2 D

Question 3

Consider the following reaction 2A + 3F2 $\rarr$2AF3. What is the formula for the reaction product if we substitute iodine for fluorine

Accepted Answer

A)  A2I3 
B)  A3I2 
C)  AI3 
D)  A3I 
E)  AI 
A)  A2I3 
B)  A3I2 
C)  AI3 
D)  A3I 
E)  AI C

Question 4

The cobalt(III) ion, Co3+, has how many 3d electrons

Accepted Answer

A)  0 
B)  7 
C)  6 
D)  5 
E)  4 
A)  0 
B)  7 
C)  6 
D)  5 
E)  4

Question 5

Write the products of the following reaction: H2(g) + Cl2(g) $\rarr$

Accepted Answer

A)  2H+ + Cl2(g) 
B)  2HCl(g) 
C)  H2Cl2(g) 
D)  2H+ + 2Cl-(g) 
E)  None of the above 
A)  2H+ + Cl2(g) 
B)  2HCl(g) 
C)  H2Cl2(g) 
D)  2H+ + 2Cl-(g) 
E)  None of the above

Question 6

Mendeleev proposed the existence of an unknown element that he called eka-aluminum. This element is now called

Accepted Answer

A)  gallium. 
B)  silicon. 
C)  magnesium. 
D)  boron. 
E)  germanium. 
A)  gallium. 
B)  silicon. 
C)  magnesium. 
D)  boron. 
E)  germanium.

Question 7

Which of the following is an acidic oxide

Accepted Answer

A)  P4O10 
B)  MgO 
C)  Fe2O3 
D)  K2O 
E)  Cr2O3 
A)  P4O10 
B)  MgO 
C)  Fe2O3 
D)  K2O 
E)  Cr2O3

Question 8

Which of the following elements behaves chemically similarly to calcium

Accepted Answer

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

Question 9

The chief contribution of physicist Henry Moseley to atomic theory was

Accepted Answer

A)  the discovery of the periodic law. 
B)  the determination of the charge of the proton. 
C)  the measurement of the atomic numbers of the elements. 
D)  the scientist who determined the electric charge of the electron. 
E)  the discovery of the law of octaves. 
A)  the discovery of the periodic law. 
B)  the determination of the charge of the proton. 
C)  the measurement of the atomic numbers of the elements. 
D)  the scientist who determined the electric charge of the electron. 
E)  the discovery of the law of octaves.

Question 10

Which of the following elements has the greatest electron affinity (largest positive value)

Accepted Answer

A)  Mg 
B)  Al 
C)  Si 
D)  P 
E)  S 
A)  Mg 
B)  Al 
C)  Si 
D)  P 
E)  S

Question 11

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen

Accepted Answer

A)  N2+(g) $\rarr$N3+(g) + e- 
B)  N2+(g) + e- $\rarr$N+(g) 
C)  N(g) $\rarr$N2+(g) + 2e- 
D)  N-(g) + e- $\rarr$ N2-(g) 
E)  N+(g) $\rarr$N2+(g) + e- 
A)  N2+(g) $\rarr$N3+(g) + e- 
B)  N2+(g) + e- $\rarr$N+(g) 
C)  N(g) $\rarr$N2+(g) + 2e- 
D)  N-(g) + e- $\rarr$ N2-(g) 
E)  N+(g) $\rarr$N2+(g) + e-

Question 12

Which of the following reactants can be combined to produce a basic oxide as a product

Accepted Answer

A)  Cl2O7(l) + H2O(l) $\rarr$ 
B)  P4O10(s) + 6H2O(l) $\rarr$ 
C)  4Li(s) + O2(g) $\rarr$ 
D)  Al2O3(s) + 6HCl(aq) $\rarr$ 
E)  MgO(s) + 2HCl(aq) $\rarr$ 
A)  Cl2O7(l) + H2O(l) $\rarr$ 
B)  P4O10(s) + 6H2O(l) $\rarr$ 
C)  4Li(s) + O2(g) $\rarr$ 
D)  Al2O3(s) + 6HCl(aq) $\rarr$ 
E)  MgO(s) + 2HCl(aq) $\rarr$

Question 13

Which of the following is the electron configuration of the iron(III) ion

Accepted Answer

A)  [Ar]3d5 
B)  [Ar]4s13d5 
C)  [Ar]4s23d3 
D)  [Ar]3d6 
E)  [Ar]4s23d9 
A)  [Ar]3d5 
B)  [Ar]4s13d5 
C)  [Ar]4s23d3 
D)  [Ar]3d6 
E)  [Ar]4s23d9

Question 14

The representative elements are those with unfilled energy levels in which the "last electron" was added to

Accepted Answer

A)  an s orbital. 
B)  an s or p orbital. 
C)  a d orbital. 
D)  a p or d orbital. 
E)  an f orbital. 
A)  an s orbital. 
B)  an s or p orbital. 
C)  a d orbital. 
D)  a p or d orbital. 
E)  an f orbital.

Question 15

How many electrons does a nitrogen atom need to fill its outermost s and p subshells

Accepted Answer

A)  5 
B)  3 
C)  1 
D)  8 
E)  0 
A)  5 
B)  3 
C)  1 
D)  8 
E)  0

Question 16

Which of the following elements has the smallest ionization energy

Accepted Answer

A)  Li 
B)  Na 
C)  Be 
D)  K 
E)  Rb 
A)  Li 
B)  Na 
C)  Be 
D)  K 
E)  Rb

Question 17

Which of the elements listed below has the highest first ionization energy

Accepted Answer

A)  C 
B)  Ge 
C)  P 
D)  O 
E)  Se 
A)  C 
B)  Ge 
C)  P 
D)  O 
E)  Se

Question 18

The law of octaves was proposed by

Accepted Answer

A)  G. N. Lewis. 
B)  John Newlands. 
C)  Dmitri Mendeleev. 
D)  J. J. Thompson. 
E)  Ernest Rutherford. 
A)  G. N. Lewis. 
B)  John Newlands. 
C)  Dmitri Mendeleev. 
D)  J. J. Thompson. 
E)  Ernest Rutherford.

Question 19

Which of the following elements behaves chemically similarly to silver

Accepted Answer

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

Question 20

Which of the following ground-state ions has unpaired electrons

Accepted Answer

A)  P3- 
B)  V5+ 
C)  Mg2+ 
D)  Sc2+ 
E)  S2+ 
A)  P3- 
B)  V5+ 
C)  Mg2+ 
D)  Sc2+ 
E)  S2+

Exam 8: Periodic Relationships Among the Elements

In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s24d105p2

Which of the following is the electron configuration of a sulfide ion

Consider the following reaction 2A + 3F2 →\rarr→ 2AF3. What is the formula for the reaction product if we substitute iodine for fluorine

The cobalt(III) ion, Co3+, has how many 3d electrons

Write the products of the following reaction: H2(g) + Cl2(g) →\rarr→

Mendeleev proposed the existence of an unknown element that he called eka-aluminum. This element is now called

Which of the following is an acidic oxide

Which of the following elements behaves chemically similarly to calcium

The chief contribution of physicist Henry Moseley to atomic theory was

Which of the following elements has the greatest electron affinity (largest positive value)

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen

Which of the following reactants can be combined to produce a basic oxide as a product

Which of the following is the electron configuration of the iron(III) ion

The representative elements are those with unfilled energy levels in which the "last electron" was added to

How many electrons does a nitrogen atom need to fill its outermost s and p subshells

Which of the following elements has the smallest ionization energy

Which of the elements listed below has the highest first ionization energy

The law of octaves was proposed by

Which of the following elements behaves chemically similarly to silver

Which of the following ground-state ions has unpaired electrons

Chemistry: The Study of Change

Atoms Molecules and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

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

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s²4d¹⁰5p²

Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃. What is the formula for the reaction product if we substitute iodine for fluorine

The cobalt(III) ion, Co³⁺, has how many 3d electrons

Write the products of the following reaction: H₂(g) + Cl₂(g) $\rarr$