Question 1

All of the group VIA elements are solids except ________.

Accepted Answer

The answer of All of the group VIA elements are...

Question 2

2F2 (g) + 2H2O (l) → ________

Accepted Answer

A) 2HF (aq)+ 2HFO (aq) 
B) 2F- (aq) + 2H+ (aq) + H2O2 (aq) 
C) 4HF (aq) + O2 (g) 
D) 2HF2 (aq) + 2OH- (aq) 
E) 4HF (aq) + 2O2- (aq) 
A) 2HF (aq)+ 2HFO (aq) 
B) 2F- (aq) + 2H+ (aq) + H2O2 (aq) 
C) 4HF (aq) + O2 (g) 
D) 2HF2 (aq) + 2OH- (aq) 
E) 4HF (aq) + 2O2- (aq)

Question 3

Which one of the following elements has an allotrope that is produced in the upper atmosphere by lightning?

Accepted Answer

A) N 
B) O 
C) S 
D) Cl 
E) He 
A) N 
B) O 
C) S 
D) Cl 
E) He

Question 4

________ is isoelectronic with scandium.

Accepted Answer

A) Cr3+ 
B) Mn5+ 
C) Mn 
D) Mn4- 
E) K+ 
A) Cr3+ 
B) Mn5+ 
C) Mn 
D) Mn4- 
E) K+

Question 5

Atomic radius generally increases as we move ________.

Accepted Answer

A) down a group and from right to left across a period 
B) up a group and from left to right across a period 
C) down a group and from left to right across a period 
D) up a group and from right to left across a period 
E) down a group; the period position has no effect 
A) down a group and from right to left across a period 
B) up a group and from left to right across a period 
C) down a group and from left to right across a period 
D) up a group and from right to left across a period 
E) down a group; the period position has no effect

Question 6

Consider the following electron configurations to answer the questions that follow:
(i)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P11S1S1P0
(ii)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0
(iii)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P11S1S1P0
(iv)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P14S1S1P0
(v)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P15S1S1P0
-The electron configuration of the atom with the most negative electron affinity is ________.

Accepted Answer

A) (i) 
B) (ii) 
C) (iii) 
D) (iv) 
E) (v) 
A) (i) 
B) (ii) 
C) (iii) 
D) (iv) 
E) (v)

Question 7

Between which two elements is the difference in metallic character the greatest?

Accepted Answer

A) Rb and O 
B) O and I 
C) Rb and I 
D) Li and O 
E) Li and Rb 
A) Rb and O 
B) O and I 
C) Rb and I 
D) Li and O 
E) Li and Rb

Question 8

The only noble gas that does not have the ns2np6 valence electron configuration is ________.

Accepted Answer

A) radon 
B) neon 
C) helium 
D) krypton 
E) All noble gases have the ns2np6 valence electron configuration. 
A) radon 
B) neon 
C) helium 
D) krypton 
E) All noble gases have the ns2np6 valence electron configuration.

Question 9

Oxides of most nonmetals combine with base to form ________.

Accepted Answer

A) hydrogen gas 
B) an acid 
C) a base 
D) water 
E) water and a salt 
A) hydrogen gas 
B) an acid 
C) a base 
D) water 
E) water and a salt

Question 10

Which of the following correctly represents the second ionization of calcium?

Accepted Answer

A) Ca (g) → Ca+ (g) + e- 
B) Ca+ (g) → Ca2+ (g) + e- 
C) Ca- (g) + e- → Ca2- (g) 
D) Ca+ (g) + e- → Ca2+ (g) 
E) Ca+ (g) + e- → Ca (g) 
A) Ca (g) → Ca+ (g) + e- 
B) Ca+ (g) → Ca2+ (g) + e- 
C) Ca- (g) + e- → Ca2- (g) 
D) Ca+ (g) + e- → Ca2+ (g) 
E) Ca+ (g) + e- → Ca (g)

Question 11

Consider the following electron configurations to answer the questions that follow:
(i)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P11S1S1P0
(ii)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0
(iii)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P11S1S1P0
(iv)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P14S1S1P0
(v)1sS1U1P12S1S1P0 2sS1U1P12S1S1P0 2pS1U1P16S1S1P0 3sS1U1P12S1S1P0 3pS1U1P15S1S1P0
-Of the following elements, ________ has the most negative electron affinity.

Accepted Answer

A) P 
B) Al 
C) Si 
D) Cl 
E) B 
A) P 
B) Al 
C) Si 
D) Cl 
E) B

Question 12

Which noble gas has the highest first ionization energy?

Accepted Answer

The answer of Which noble gas has the highest first...

Question 13

All of the halogens ________.

Accepted Answer

A) exist under ambient conditions as diatomic gases 
B) tend to form positive ions of several different charges 
C) tend to form negative ions of several different charges 
D) exhibit metallic character 
E) form salts with alkali metals with the formula MX 
A) exist under ambient conditions as diatomic gases 
B) tend to form positive ions of several different charges 
C) tend to form negative ions of several different charges 
D) exhibit metallic character 
E) form salts with alkali metals with the formula MX

Question 14

Which group 6A element is a metal?

Accepted Answer

A) tellurium and polonium 
B) sulfur 
C) selenium 
D) tellurium 
E) polonium 
A) tellurium and polonium 
B) sulfur 
C) selenium 
D) tellurium 
E) polonium

Question 15

Of the elements below, ________ is the most metallic.

Accepted Answer

A) Sn 
B) P 
C) Br 
D) Rn 
E) As 
A) Sn 
B) P 
C) Br 
D) Rn 
E) As

Question 16

[Xe]6s2 is the electron configuration for ________.

Accepted Answer

Question 17

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is ________.

Accepted Answer

A) Sr 
B) K 
C) Na 
D) Ra 
E) Be 
A) Sr 
B) K 
C) Na 
D) Ra 
E) Be

Question 18

Of the hydrogen halides, only ________ is a weak acid.

Accepted Answer

A) HCl (aq) 
B) HBr (aq) 
C) HF (aq) 
D) HI (aq) 
E) They are all weak acids. 
A) HCl (aq) 
B) HBr (aq) 
C) HF (aq) 
D) HI (aq) 
E) They are all weak acids.

Question 19

Of the alkaline earth metals, which two elements are the least reactive?

Accepted Answer

The answer of Of the alkaline earth metals, which two...

Question 20

Na reacts with element X to form an ionic compound with the formula Na3X. Ca will react with X to form ________.

Accepted Answer

A) CaX2 
B) CaX 
C) Ca2X3 
D) Ca3X2 
E) Ca3X 
A) CaX2 
B) CaX 
C) Ca2X3 
D) Ca3X2 
E) Ca3X

Exam 7: Periodic Properties of the Elements

All of the group VIA elements are solids except ________.

2F2 (g) + 2H2O (l) → ________

Which one of the following elements has an allotrope that is produced in the upper atmosphere by lightning?

________ is isoelectronic with scandium.

Atomic radius generally increases as we move ________.

Consider the following electron configurations to answer the questions that follow: (i)1s2 2s2 2p6 3s1 (ii)1s2 2s2 2p6 3s2 (iii)1s2 2s2 2p6 3s2 3p1 (iv)1s2 2s2 2p6 3s2 3p4 (v)1s2 2s2 2p6 3s2 3p5 -The electron configuration of the atom with the most negative electron affinity is ________.

Between which two elements is the difference in metallic character the greatest?

The only noble gas that does not have the ns2np6 valence electron configuration is ________.

Oxides of most nonmetals combine with base to form ________.

Which of the following correctly represents the second ionization of calcium?

Consider the following electron configurations to answer the questions that follow: (i)1s2 2s2 2p6 3s1 (ii)1s2 2s2 2p6 3s2 (iii)1s2 2s2 2p6 3s2 3p1 (iv)1s2 2s2 2p6 3s2 3p4 (v)1s2 2s2 2p6 3s2 3p5 -Of the following elements, ________ has the most negative electron affinity.

Which noble gas has the highest first ionization energy?

All of the halogens ________.

Which group 6A element is a metal?

Of the elements below, ________ is the most metallic.

[Xe]6s2 is the electron configuration for ________.

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is ________.

Of the hydrogen halides, only ________ is a weak acid.

Of the alkaline earth metals, which two elements are the least reactive?

Na reacts with element X to form an ionic compound with the formula Na3X. Ca will react with X to form ________.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

2F₂ (g) + 2H₂O (l) → ________

The only noble gas that does not have the ns²np⁶ valence electron configuration is ________.

[Xe]6s² is the electron configuration for ________.

Element M reacts with chlorine to form a compound with the formula MCl₂. Element M is more reactive than magnesium and has a smaller radius than barium. This element is ________.

Na reacts with element X to form an ionic compound with the formula Na₃X. Ca will react with X to form ________.