Question 1

Which of the following correctly represents the electron affinity of phosphorus?

Accepted Answer

A) P (g)→ P+ (g)+ e- 
B) P (g)+ e- → P- (g) 
C) P4 (g)+ e- → P- (g) 
D) P4 (g)+ 4e- → 4P- (g) 
E) P+ (g)+ e- → P (g) 
A) P (g)→ P+ (g)+ e- 
B) P (g)+ e- → P- (g) 
C) P4 (g)+ e- → P- (g) 
D) P4 (g)+ 4e- → 4P- (g) 
E) P+ (g)+ e- → P (g)

Question 2

Reacting CO2 with water results in a(n)________ solution.

Accepted Answer

A) ionic 
B) neutral 
C) basic 
D) acidic 
E) CO2 does not react with water 
A) ionic 
B) neutral 
C) basic 
D) acidic 
E) CO2 does not react with water

Question 3

This element reacts with hydrogen to produce a gas with the formula HX.When dissolved in water,HX forms an acidic solution.X is ________.

Accepted Answer

A) chlorine 
B) calcium 
C) oxygen 
D) germanium 
E) arsenic 
A) chlorine 
B) calcium 
C) oxygen 
D) germanium 
E) arsenic

Question 4

[He]2s22p5 is the electron configuration for ________.

Accepted Answer

Question 5

iodine has a(n)________ density and a(n)________ atomic radius compared to bromine.

Accepted Answer

A) smaller, greater 
B) greater, smaller 
C) smaller, smaller 
D) greater, greater 
E) equal, equal 
A) smaller, greater 
B) greater, smaller 
C) smaller, smaller 
D) greater, greater 
E) equal, equal

Question 6

________ can be ________ at room temperature.

Accepted Answer

A) metals, liquid only 
B) metals, solid only 
C) metals; solid, liquid, or gases 
D) metals, solid or liquid 
E) metals, solid or gases 
A) metals, liquid only 
B) metals, solid only 
C) metals; solid, liquid, or gases 
D) metals, solid or liquid 
E) metals, solid or gases

Question 7

The reaction between alkali metals (M)and elemental hydrogen produce ________.

Accepted Answer

A) MH2 
B) MH 
C) M2H 
D) MOH 
E) None of the above; alkali metals will not react directly with hydrogen. 
A) MH2 
B) MH 
C) M2H 
D) MOH 
E) None of the above; alkali metals will not react directly with hydrogen.

Question 8

A nitride ion has a charge of ________.

Accepted Answer

A) 3- 
B) 2- 
C) 1- 
D) 0 
E) nitrogen does not form ions. 
A) 3- 
B) 2- 
C) 1- 
D) 0 
E) nitrogen does not form ions.

Question 9

________ is isoelectronic with argon,and ________ is isoelectronic with neon.

Accepted Answer

A) P3-, N3- 
B) P2-, N2- 
C) P3+, N3+ 
D) N3-, P3- 
E) P, N 
A) P3-, N3- 
B) P2-, N2- 
C) P3+, N3+ 
D) N3-, P3- 
E) P, N

Question 10

All of the following elements can exist as allotropes except ________.

Accepted Answer

A) N 
B) Ar 
C) O 
D) S 
E) F 
A) N 
B) Ar 
C) O 
D) S 
E) F

Question 11

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 12

Hydrogen is unique among the elements because ________. 1.It is not really a member of any particular group.
2.Its electron is not at all shielded from its nucleus.
3.It is the lightest element.
4.It is the only element to exist at room temperature as a diatomic gas.
5.It exhibits some chemical properties similar to those of groups 1A and 7A.

Accepted Answer

A) 1, 2, 3, 5 
B) 1, 2, 3, 4, 5 
C) 1, 4, 5 
D) 3, 4 
E) 2, 3, 4, 5 
A) 1, 2, 3, 5 
B) 1, 2, 3, 4, 5 
C) 1, 4, 5 
D) 3, 4 
E) 2, 3, 4, 5

Question 13

An alkali metal such as K forms a compound with chlorine gas with the formula ________.

Accepted Answer

A) K2Cl2 
B) KCl 
C) K2Cl 
D) KCl2 
E) KCl3 
A) K2Cl2 
B) KCl 
C) K2Cl 
D) KCl2 
E) KCl3

Question 14

In which orbital does an electron in a copper atom experience the greatest effective nuclear charge?

Accepted Answer

A) 1s 
B) 4s 
C) 4p 
D) 4d 
E) 3d 
A) 1s 
B) 4s 
C) 4p 
D) 4d 
E) 3d

Question 15

The effective nuclear charge for an atom ________ going from left to right across a period.

Accepted Answer

The answer of The effective nuclear charge for an atom...

Question 16

Consider the following properties of an element: (i)It is solid at room temperature.
(ii)It easily forms an oxide when exposed to air.
(iii)When it reacts with water,hydrogen gas evolves.
(iv)It must be stored submerged in oil.
Which element fits the above description the best?

Accepted Answer

A) sulfur 
B) copper 
C) mercury 
D) sodium 
E) magnesium 
A) sulfur 
B) copper 
C) mercury 
D) sodium 
E) magnesium

Question 17

The element carbon exists in several forms such diamond and graphite in nature.These forms are called ________.

Accepted Answer

A) isotopes 
B) oxidation 
C) metalloids 
D) allotropes 
E) noble gases 
A) isotopes 
B) oxidation 
C) metalloids 
D) allotropes 
E) noble gases

Question 18

In nature,the noble gases exist as ________.

Accepted Answer

A) monatomic gaseous atoms 
B) the gaseous fluorides 
C) solids in rocks and in minerals 
D) alkali metal salts 
E) the sulfides 
A) monatomic gaseous atoms 
B) the gaseous fluorides 
C) solids in rocks and in minerals 
D) alkali metal salts 
E) the sulfides

Question 19

Complete the following: SO3 + H2O →

Accepted Answer

Question 20

Oxides of the active metals combine with acid to form ________.

Accepted Answer

A) hydrogen gas 
B) metal hydrides 
C) water and a salt 
D) oxygen gas 
E) metal hydroxides 
A) hydrogen gas 
B) metal hydrides 
C) water and a salt 
D) oxygen gas 
E) metal hydroxides

Exam 7: Periodic Properties of the Elements

Which of the following correctly represents the electron affinity of phosphorus?

Reacting CO2 with water results in a(n)________ solution.

This element reacts with hydrogen to produce a gas with the formula HX.When dissolved in water,HX forms an acidic solution.X is ________.

[He]2s22p5 is the electron configuration for ________.

iodine has a(n)________ density and a(n)________ atomic radius compared to bromine.

________ can be ________ at room temperature.

The reaction between alkali metals (M)and elemental hydrogen produce ________.

A nitride ion has a charge of ________.

________ is isoelectronic with argon,and ________ is isoelectronic with neon.

All of the following elements can exist as allotropes except ________.

All of the halogens ________.

An alkali metal such as K forms a compound with chlorine gas with the formula ________.

In which orbital does an electron in a copper atom experience the greatest effective nuclear charge?

The effective nuclear charge for an atom ________ going from left to right across a period.

Consider the following properties of an element: (i)It is solid at room temperature. (ii)It easily forms an oxide when exposed to air. (iii)When it reacts with water,hydrogen gas evolves. (iv)It must be stored submerged in oil. Which element fits the above description the best?

The element carbon exists in several forms such diamond and graphite in nature.These forms are called ________.

In nature,the noble gases exist as ________.

Complete the following: SO3 + H2O →

Oxides of the active metals combine with acid to form ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

Reacting CO₂ with water results in a(n)________ solution.

[He]2s²2p⁵ is the electron configuration for ________.

iodine has a(n) density and a(n) atomic radius compared to bromine.

can be at room temperature.

is isoelectronic with argon,and is isoelectronic with neon.

Complete the following: SO₃ + H₂O →