Question 1

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

Accepted Answer

A) 8 
B) 7 
C) 5 
D) 3 
E) 1 
A) 8 
B) 7 
C) 5 
D) 3 
E) 1

Question 2

What are the products of the following reaction? 
CaH2(s)+ 2H2O(l)$\rarr$

Accepted Answer

A) Ca2+(aq)+ 3H2(g)+ O2(g) 
B) 2CaOH(s)+ H2(g) 
C) CaO(s)+ 3H2(g) 
D) Ca(OH)2(s)+ 2H2(g) 
E) CaO(s)+ 6H+(aq) 
A) Ca2+(aq)+ 3H2(g)+ O2(g) 
B) 2CaOH(s)+ H2(g) 
C) CaO(s)+ 3H2(g) 
D) Ca(OH)2(s)+ 2H2(g) 
E) CaO(s)+ 6H+(aq)

Question 3

For silicon atoms, which ionization energy will show an exceptionally large increase over the preceding ionization energy?

Accepted Answer

A) 2nd 
B) 3rd 
C) 4th 
D) 5th 
E) 6th 
A) 2nd 
B) 3rd 
C) 4th 
D) 5th 
E) 6th

Question 4

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

Accepted Answer

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

Question 5

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 6

How many core electrons does a chlorine atom have?

Accepted Answer

A) 17 
B) 7 
C) 10 
D) 18 
E) 8 
A) 17 
B) 7 
C) 10 
D) 18 
E) 8

Question 7

As opposed to early periodic tables based on the law of octaves, modern periodic tables arrange the elements in order of increasing

Accepted Answer

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

Question 8

What are the products of the following reaction? SO2(g)+ H2O(l)$\rarr$

Accepted Answer

A) H2SO4(aq) 
B) H2SO3(aq) 
C) H2(g)+ SO3(g) 
D) S(s)+ H2O(l) 
E) S(s)+ H2(g)+ O2(g) 
A) H2SO4(aq) 
B) H2SO3(aq) 
C) H2(g)+ SO3(g) 
D) S(s)+ H2O(l) 
E) S(s)+ H2(g)+ O2(g)

Question 9

Which of the elements listed below has the following pattern for its first six ionization energies? (I1 = first ionization energy, I2 = second ionization energy, etc.)

Accepted Answer

A) Ca 
B) Si 
C) Al 
D) Se 
E) P 
A) Ca 
B) Si 
C) Al 
D) Se 
E) P

Question 10

Write the ground-state electron configuration for Al3+.

Accepted Answer

Question 11

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium?

Accepted Answer

A) V2+(g)$\rarr$ V3+(g)+ e- 
B) V3+(g)+ e- $\rarr$ V2+(g) 
C) V(g)$\rarr$ V3+(g)+ 3e- 
D) V2-(g)+ e- $\rarr$ V3-(g) 
E) V3+(g)$\rarr$V4+(g)+ e- 
A) V2+(g)$\rarr$ V3+(g)+ e- 
B) V3+(g)+ e- $\rarr$ V2+(g) 
C) V(g)$\rarr$ V3+(g)+ 3e- 
D) V2-(g)+ e- $\rarr$ V3-(g) 
E) V3+(g)$\rarr$V4+(g)+ e-

Question 12

Which pair of elements from different groups resemble each other the most in their chemical properties?

Accepted Answer

A) Be and B 
B) Al and Si 
C) Li and Be 
D) Al and Be 
E) Be and C 
A) Be and B 
B) Al and Si 
C) Li and Be 
D) Al and Be 
E) Be and C

Question 13

Write the ground-state electron configuration for Cr3+.

Accepted Answer

[Ar]3d³ or

Question 14

How many 3d electrons does an Fe3+ ion have?

Accepted Answer

A) 9 
B) 6 
C) 5 
D) 4 
E) 3 
A) 9 
B) 6 
C) 5 
D) 4 
E) 3

Question 15

Which of the following elements behaves chemically similarly to silver?

Accepted Answer

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

Question 16

Which of the elements listed below has the smallest 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 17

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 18

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

Accepted Answer

A) K 
B) Br 
C) As 
D) Ar 
E) I 
A) K 
B) Br 
C) As 
D) Ar 
E) I

Question 19

Write the products of the following reaction:
2K(s)+ 2H2O(l)$\rarr$

Accepted Answer

Question 20

Which one of the following pairs are isoelectronic?

Accepted Answer

A) Mn2+ and Ar 
B) Zn2+ and Cu2+ 
C) Na+ and K+ 
D) Cl- and S 
E) K+ and Cl- 
A) Mn2+ and Ar 
B) Zn2+ and Cu2+ 
C) Na+ and K+ 
D) Cl- and S 
E) K+ and Cl-

Exam 8: Periodic Relationships Among the Elements

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

What are the products of the following reaction? CaH2(s)+ 2H2O(l) →\rarr→

For silicon atoms, which ionization energy will show an exceptionally large increase over the preceding ionization energy?

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

The electron affinity of fluorine is essentially equal to

How many core electrons does a chlorine atom have?

As opposed to early periodic tables based on the law of octaves, modern periodic tables arrange the elements in order of increasing

What are the products of the following reaction? SO2(g)+ H2O(l) →\rarr→

Which of the elements listed below has the following pattern for its first six ionization energies? (I1 = first ionization energy, I2 = second ionization energy, etc.)

Write the ground-state electron configuration for Al3+.

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium?

Which pair of elements from different groups resemble each other the most in their chemical properties?

Write the ground-state electron configuration for Cr3+.

How many 3d electrons does an Fe3+ ion have?

Which of the following elements behaves chemically similarly to silver?

Which of the elements listed below has the smallest first ionization energy?

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 elements has the greatest electron affinity (largest positive value)?

Write the products of the following reaction: 2K(s)+ 2H2O(l) →\rarr→

Which one of the following pairs are isoelectronic?

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 Orbitals

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 Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

What are the products of the following reaction? CaH₂(s)+ 2H₂O(l) $\rarr$

What are the products of the following reaction? SO₂(g)+ H₂O(l) $\rarr$

Which of the elements listed below has the following pattern for its first six ionization energies? (I₁ = first ionization energy, I₂ = second ionization energy, etc.)

Write the ground-state electron configuration for Al³⁺.

Write the ground-state electron configuration for Cr³⁺.

How many 3d electrons does an Fe³⁺ ion have?

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

Write the products of the following reaction: 2K(s)+ 2H₂O(l) $\rarr$