Question 1

What is the maximum number of electrons that can occupy one p orbital?

Accepted Answer

A) 14 
B) 2 
C) 10 
D) 1 
E) 6 
A) 14 
B) 2 
C) 10 
D) 1 
E) 6

Question 2

An atom of which of the following elements has the largest ionization energy?

Accepted Answer

A) Po 
B) Pb 
C) Bi 
D) At 
E) Cs 
A) Po 
B) Pb 
C) Bi 
D) At 
E) Cs

Question 3

Which of the following statements is true?

Accepted Answer

A) The krypton 1s orbital is smaller than the helium 1s orbital because krypton's nuclear charge draws the electrons closer. 
B) The krypton 1s orbital is smaller than the helium 1s orbital because krypton's p and d orbitals crowd the s orbitals. 
C) The krypton 1s orbital and the helium 1s orbital are the same size because both s orbitals can have only two electrons. 
D) The krypton 1s orbital is larger than the helium 1s orbital because krypton contains more electrons. 
E) The krypton 1s orbital is larger than the helium 1s orbital because krypton's ionization energy is lower so it's easier to remove electrons. 
A) The krypton 1s orbital is smaller than the helium 1s orbital because krypton's nuclear charge draws the electrons closer. 
B) The krypton 1s orbital is smaller than the helium 1s orbital because krypton's p and d orbitals crowd the s orbitals. 
C) The krypton 1s orbital and the helium 1s orbital are the same size because both s orbitals can have only two electrons. 
D) The krypton 1s orbital is larger than the helium 1s orbital because krypton contains more electrons. 
E) The krypton 1s orbital is larger than the helium 1s orbital because krypton's ionization energy is lower so it's easier to remove electrons.

Question 4

A few atoms of the new element 113 were created in 2004 by a team of Russian and American scientists.It has been given the temporary name "ununtrium" and the temporary symbol "Uut." Based on ununtrium's position on the periodic table,what type of oxide(s)should it form?

Accepted Answer

A) Ununtrium should form a basic oxide with the formula Uut2O3. 
B) Ununtrium should form an amphoteric oxide with the formula UutO. 
C) Ununtrium should form an acidic oxide with the formula Uut2O3. 
D) Ununtrium should form two acidic oxides having the formulas Uut2O and Uut2O3. 
E) Ununtrium should form two basic oxides having the formulas Uut2O and Uut2O3. 
A) Ununtrium should form a basic oxide with the formula Uut2O3. 
B) Ununtrium should form an amphoteric oxide with the formula UutO. 
C) Ununtrium should form an acidic oxide with the formula Uut2O3. 
D) Ununtrium should form two acidic oxides having the formulas Uut2O and Uut2O3. 
E) Ununtrium should form two basic oxides having the formulas Uut2O and Uut2O3.

Question 5

The ground-state valence-shell configuration of a particular atom is 4s24p3.This valence-shell electron configuration identifies the atom as

Accepted Answer

A) a p-block main-group element. 
B) a noble gas. 
C) a transition element. 
D) an inner transition element. 
E) an s-block main-group element. 
A) a p-block main-group element. 
B) a noble gas. 
C) a transition element. 
D) an inner transition element. 
E) an s-block main-group element.

Question 6

The ground-state valence-shell configuration of a particular atom is 4d105s25p1.The element to which this atom belongs is a

Accepted Answer

A) noble gas. 
B) inner transition element. 
C) p-block main-group element. 
D) transition element. 
E) s-block main-group element. 
A) noble gas. 
B) inner transition element. 
C) p-block main-group element. 
D) transition element. 
E) s-block main-group element.

Question 7

An atom of which of the following elements has the largest second ionization energy?

Accepted Answer

A) Cs 
B) At 
C) Po 
D) Pb 
E) Ba 
A) Cs 
B) At 
C) Po 
D) Pb 
E) Ba

Question 8

The change in energy for which of the following processes corresponds to the electron affinity of bromine?

Accepted Answer

A) Br2(g)→ 2Br(g) 
B) Br(g)+ e-→ Br-(g) 
C) Br+(g)+ Br-(g) → Br2(l) 
D) Br(g)→ Br+(g)+ e- 
E) ​Br-(g)→ Br(g)+ e- 
A) Br2(g)→ 2Br(g) 
B) Br(g)+ e-→ Br-(g) 
C) Br+(g)+ Br-(g) → Br2(l) 
D) Br(g)→ Br+(g)+ e- 
E) ​Br-(g)→ Br(g)+ e-

Question 9

Which of the following ground-state electron configurations corresponds to an atom having the largest ionization energy?

Accepted Answer

A) [Ar]3d104s24p3 
B) [Ne]3s23p3 
C) [Ne]3s23p2 
D) [Kr]4d105s25p3 
E) [Xe]4f145d106s26p3 
A) [Ar]3d104s24p3 
B) [Ne]3s23p3 
C) [Ne]3s23p2 
D) [Kr]4d105s25p3 
E) [Xe]4f145d106s26p3

Question 10

The element antimony is in the same group as phosphorus.Which of the following is the formula of antimonic acid?

Accepted Answer

A) H3Sb 
B) H3SbO2 
C) H3SbO3 
D) H3SbO4 
E) H2SbO2 
A) H3Sb 
B) H3SbO2 
C) H3SbO3 
D) H3SbO4 
E) H2SbO2

Question 11

The quantum numbers of an atom's highest-energy valence electrons are n = 5 and l = 1.The element to which this atom belongs could be a

Accepted Answer

A) inner transition metal. 
B) alkali metal. 
C) s-block main-group element. 
D) transition metal. 
E) p-block main-group element. 
A) inner transition metal. 
B) alkali metal. 
C) s-block main-group element. 
D) transition metal. 
E) p-block main-group element.

Question 12

An atom of which of the following elements has the most negative electron affinity?

Accepted Answer

A) Rb 
B) As 
C) Cl 
D) Br 
E) Se 
A) Rb 
B) As 
C) Cl 
D) Br 
E) Se

Question 13

Which of the following forms the most stable anion in the gas phase?

Accepted Answer

A) Cl (electron affinity = -349 kJ/mol) 
B) S (electron affinity = -200 kJ/mol) 
C) O (electron affinity = -141 kJ/mol) 
D) C (electron affinity = -122 kJ/mol) 
E) P (electron affinity = -72 kJ/mol) 
A) Cl (electron affinity = -349 kJ/mol) 
B) S (electron affinity = -200 kJ/mol) 
C) O (electron affinity = -141 kJ/mol) 
D) C (electron affinity = -122 kJ/mol) 
E) P (electron affinity = -72 kJ/mol)

Question 14

The maximum number of electrons that can be accommodated in an s subshell is

Accepted Answer

A) 6. 
B) 14. 
C) 10. 
D) 1. 
E) 2. 
A) 6. 
B) 14. 
C) 10. 
D) 1. 
E) 2.

Question 15

The ground-state valence-shell configuration of a particular atom is 4f145d56s2 .The element to which this atom belongs is a

Accepted Answer

A) noble gas. 
B) s-block main-group element. 
C) p-block main-group element. 
D) transition element. 
E) inner transition element. 
A) noble gas. 
B) s-block main-group element. 
C) p-block main-group element. 
D) transition element. 
E) inner transition element.

Question 16

An atom of which of the following elements is not diamagnetic in the ground state?

Accepted Answer

A) Sr 
B) Kr 
C) All are diamagnetic. 
D) Cd 
E) Pt 
A) Sr 
B) Kr 
C) All are diamagnetic. 
D) Cd 
E) Pt

Question 17

According to the general trend in electron affinities,which group (or family)of elements tend to form the most stable anions in the gas phase?

Accepted Answer

A) noble gases 
B) halogens 
C) transition metals 
D) alkaline earth metals 
E) alkali metals 
A) noble gases 
B) halogens 
C) transition metals 
D) alkaline earth metals 
E) alkali metals

Question 18

Which principle or rule is violated by the following orbital diagram of an atom in its ground state?
1s 2s 2p

Accepted Answer

A) Heisenberg uncertainty principle 
B) No rules or principles are violated by this orbital diagram. 
C) aufbau principle 
D) Hund's rule 
E) Pauli exclusion principle 
A) Heisenberg uncertainty principle 
B) No rules or principles are violated by this orbital diagram. 
C) aufbau principle 
D) Hund's rule 
E) Pauli exclusion principle

Question 19

Which of the following species would be expected to have chemical properties most similar to those of the nitrogen atom?

Accepted Answer

A) nitride ion 
B) nitrite ion 
C) phosphate ion 
D) phosphide ion 
E) phosphorus atom 
A) nitride ion 
B) nitrite ion 
C) phosphate ion 
D) phosphide ion 
E) phosphorus atom

Question 20

Which of the following orbital diagrams represent(s)a paramagnetic atom?
1s 2s 3s
1)  
2)  
3)

Accepted Answer

A) 3 only 
B) 2 and 3 
C) 1 only 
D) 1 and 2 
E) 2 only 
A) 3 only 
B) 2 and 3 
C) 1 only 
D) 1 and 2 
E) 2 only

Exam 8: Electron Configurations and Periodicity

What is the maximum number of electrons that can occupy one p orbital?

An atom of which of the following elements has the largest ionization energy?

Which of the following statements is true?

A few atoms of the new element 113 were created in 2004 by a team of Russian and American scientists.It has been given the temporary name "ununtrium" and the temporary symbol "Uut." Based on ununtrium's position on the periodic table,what type of oxide(s)should it form?

The ground-state valence-shell configuration of a particular atom is 4s24p3.This valence-shell electron configuration identifies the atom as

The ground-state valence-shell configuration of a particular atom is 4d105s25p1.The element to which this atom belongs is a

An atom of which of the following elements has the largest second ionization energy?

The change in energy for which of the following processes corresponds to the electron affinity of bromine?

Which of the following ground-state electron configurations corresponds to an atom having the largest ionization energy?

The element antimony is in the same group as phosphorus.Which of the following is the formula of antimonic acid?

The quantum numbers of an atom's highest-energy valence electrons are n = 5 and l = 1.The element to which this atom belongs could be a

An atom of which of the following elements has the most negative electron affinity?

Which of the following forms the most stable anion in the gas phase?

The maximum number of electrons that can be accommodated in an s subshell is

The ground-state valence-shell configuration of a particular atom is 4f145d56s2 .The element to which this atom belongs is a

An atom of which of the following elements is not diamagnetic in the ground state?

According to the general trend in electron affinities,which group (or family)of elements tend to form the most stable anions in the gas phase?

Which principle or rule is violated by the following orbital diagram of an atom in its ground state? 1s 2s 2p

Which of the following species would be expected to have chemical properties most similar to those of the nitrogen atom?

Which of the following orbital diagrams represent(s)a paramagnetic atom? 1s 2s 3s 1) 2) 3)

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

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The ground-state valence-shell configuration of a particular atom is 4s²4p³.This valence-shell electron configuration identifies the atom as

The ground-state valence-shell configuration of a particular atom is 4d¹⁰5s²5p¹.The element to which this atom belongs is a

The ground-state valence-shell configuration of a particular atom is 4f¹⁴5d⁵6s².The element to which this atom belongs is a