Question 1

The electron configuration of a copper(I)ion is

Accepted Answer

A) [Ar]4s23d8 
B) [Ar]4s13d9 
C) [Ar]3d10 
D) [Ar]4s23d64p2 
E) [Kr] 
A) [Ar]4s23d8 
B) [Ar]4s13d9 
C) [Ar]3d10 
D) [Ar]4s23d64p2 
E) [Kr] C

Question 2

Which one of the following elements is a transition element?

Accepted Answer

A) Sr 
B) Pb 
C) As 
D) Fe 
E) H 
A) Sr 
B) Pb 
C) As 
D) Fe 
E) H D

Question 3

How many electrons are in the 4p orbitals of vanadium?

Accepted Answer

A) 0 
B) 2 
C) 4 
D) 5 
E) 6 
A) 0 
B) 2 
C) 4 
D) 5 
E) 6 A

Question 4

The following successive ionization energies correspond to an element in the third row of the periodic table: I1 = 786.3 kJ/mol, I2 =1,580 kJ/mol, I3= 3,230 kJ/mol, I4 = 4,360 kJ/mol, I5 = 16,000, and I6 = 20,000 kJ/mol. Based on this pattern of ionization energies, identify the element.

Accepted Answer

Question 5

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-. decreasing radius $\rarr$

Accepted Answer

A) Al3+ > Mg2+ > O2- > Na+ 
B) Al3+ > Mg2+ > Na+ > O2- 
C) Na+ > Mg2+ > Al3+ > O2- 
D) O2- > Al3+ > Mg2+ > Na+ 
E) O2- > Na+ > Mg2+ > Al3+ 
A) Al3+ > Mg2+ > O2- > Na+ 
B) Al3+ > Mg2+ > Na+ > O2- 
C) Na+ > Mg2+ > Al3+ > O2- 
D) O2- > Al3+ > Mg2+ > Na+ 
E) O2- > Na+ > Mg2+ > Al3+

Question 6

Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group?

Accepted Answer

A) ns1 
B) ns2 
C) ns2np4 
D) ns2np5 
E) ns2np6(n -1)d6 
A) ns1 
B) ns2 
C) ns2np4 
D) ns2np5 
E) ns2np6(n -1)d6

Question 7

Which of the following elements behaves chemically similarly to potassium?

Accepted Answer

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

Question 8

Which species has the greater radius, an I- ion or an I atom? Briefly explain your choice of answer.

Accepted Answer

I^-; I and I^- have the same number of proto

Question 9

What is the difference between a calcium atom and a calcium ion?

Accepted Answer

A calcium atom has t

Question 10

The second ionization energy of Mg is ________ than its first ionization energy, and is __________ than the second ionization energy of Na.

Accepted Answer

A) higher, higher 
B) lower, higher 
C) higher, lower 
D) lower, lower 
A) higher, higher 
B) lower, higher 
C) higher, lower 
D) lower, lower

Question 11

Which of the following ground-state ions has the largest number of unpaired electrons?

Accepted Answer

A) Cr2+ 
B) Mn2+ 
C) Ni2+ 
D) Cu+ 
E) Co2+ 
A) Cr2+ 
B) Mn2+ 
C) Ni2+ 
D) Cu+ 
E) Co2+

Question 12

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 13

The electron affinity of fluorine is essentially equal to

Accepted Answer

A) the negative of the ionization energy F. 
B) the ionization energy F-. 
C) the negative of the ionization energy F-. 
D) the ionization energy Ne. 
E) the negative of the ionization energy Ne. 
A) the negative of the ionization energy F. 
B) the ionization energy F-. 
C) the negative of the ionization energy F-. 
D) the ionization energy Ne. 
E) the negative of the ionization energy Ne.

Question 14

Which two electron configurations represent elements that would have similar chemical properties? (1)1s22s22p4 (2)1s22s22p5 (3)[Ar]4s23d5 (4)[Ar]4s23d104p5

Accepted Answer

A) (1)and (2) 
B) (1)and (3) 
C) (2)and (3) 
D) (2)and (4) 
E) (3)and (4) 
A) (1)and (2) 
B) (1)and (3) 
C) (2)and (3) 
D) (2)and (4) 
E) (3)and (4)

Question 15

Which one of the following 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 16

Which of the following is a basic oxide?

Accepted Answer

A) CO2 
B) MgO 
C) As2O3 
D) SO2 
E) Cl2O7 
A) CO2 
B) MgO 
C) As2O3 
D) SO2 
E) Cl2O7

Question 17

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Accepted Answer

A) nuclear binding energy. 
B) number of electrons. 
C) number of neutrons. 
D) atomic mass. 
E) atomic number. 
A) nuclear binding energy. 
B) number of electrons. 
C) number of neutrons. 
D) atomic mass. 
E) atomic number.

Question 18

Which of the atoms listed below has the smallest radius?

Accepted Answer

A) Al 
B) P 
C) As 
D) Te 
E) Na 
A) Al 
B) P 
C) As 
D) Te 
E) Na

Question 19

How many electrons are in the 4p orbitals of selenium?

Accepted Answer

A) 0 
B) 2 
C) 4 
D) 5 
E) 6 
A) 0 
B) 2 
C) 4 
D) 5 
E) 6

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

The electron configuration of a copper(I)ion is

Which one of the following elements is a transition element?

How many electrons are in the 4p orbitals of vanadium?

The following successive ionization energies correspond to an element in the third row of the periodic table: I1 = 786.3 kJ/mol, I2 =1,580 kJ/mol, I3= 3,230 kJ/mol, I4 = 4,360 kJ/mol, I5 = 16,000, and I6 = 20,000 kJ/mol. Based on this pattern of ionization energies, identify the element.

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-. decreasing radius →\rarr→

Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group?

Which of the following elements behaves chemically similarly to potassium?

Which species has the greater radius, an I- ion or an I atom? Briefly explain your choice of answer.

What is the difference between a calcium atom and a calcium ion?

The second ionization energy of Mg is ________ than its first ionization energy, and is __________ than the second ionization energy of Na.

Which of the following ground-state ions has the largest number of unpaired electrons?

Which of the following elements has the smallest ionization energy?

The electron affinity of fluorine is essentially equal to

Which two electron configurations represent elements that would have similar chemical properties? (1)1s22s22p4 (2)1s22s22p5 (3)[Ar]4s23d5 (4)[Ar]4s23d104p5

Which one of the following ions has the largest radius?

Which of the following is a basic oxide?

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Which of the atoms listed below has the smallest radius?

How many electrons are in the 4p orbitals of selenium?

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 Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

The following successive ionization energies correspond to an element in the third row of the periodic table: I₁= 786.3 kJ/mol, I₂=1,580 kJ/mol, I₃= 3,230 kJ/mol, I₄ = 4,360 kJ/mol, I₅ = 16,000, and I₆ = 20,000 kJ/mol. Based on this pattern of ionization energies, identify the element.

Arrange the following ions in order of decreasing ionic radius: Al³⁺, Mg²⁺, Na⁺, O^2-. decreasing radius $\rarr$

Which species has the greater radius, an I^- ion or an I atom? Briefly explain your choice of answer.

The second ionization energy of Mg is than its first ionization energy, and is __ than the second ionization energy of Na.

Which two electron configurations represent elements that would have similar chemical properties? (1)1s²2s²2p⁴ (2)1s²2s²2p⁵ (3)[Ar]4s²3d⁵ (4)[Ar]4s²3d¹⁰4p⁵