Question 1

Aluminum is chemically similar to silicon from group 14.

Accepted Answer

A) True 
 B)False  False

Question 2

K+ and Mg2+ are biologically important ions found primarily in intracellular fluids.

Accepted Answer

A) True 
 B)False  True

Question 3

Lead is more likely than carbon to form compounds in the +4 oxidation state.

Accepted Answer

A) True 
 B)False  False

Question 4

Hydroxides of the lighter alkaline earth metals are soluble in water and their solubility decreases as the atomic number of the metal increases.

Accepted Answer

A) True 
 B)False

Question 5

The normal boiling point of D2O is greater than that of H2O.

Accepted Answer

A) True 
 B)False

Question 6

How many protons does tritium have?

Accepted Answer

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

Question 7

Nonmetals tend to gain electrons in chemical reactions to form compounds.

Accepted Answer

A) True 
 B)False

Question 8

Write a note on the isotopes of hydrogen.

Accepted Answer

The most common isotope is protium (¹H or

Question 9

Lithium is chemically most similar to _____.

Accepted Answer

A)  sodium 
B)  potassium 
C)  hydrogen 
D)  beryllium 
E)  magnesium 
A)  sodium 
B)  potassium 
C)  hydrogen 
D)  beryllium 
E)  magnesium

Question 10

The standard reduction potentials (E°) of the alkali metals do not follow the trend based on ionization energies.

Accepted Answer

A) True 
 B)False

Question 11

Nitrogen is chemically most similar to _____ from group 16.

Accepted Answer

The answer of Nitrogen is chemically most similar to _____...

Question 12

What is the inert pair effect? Why is this effect observed?

Accepted Answer

The inert-pair effect refers to the empi

Question 13

BeO(s) + OH−(aq) + H2O(l) →

Accepted Answer

A)  Be2O2 + H3O+ 
B)  [Be(OH)6]4- 
C)  BeO2 + OH- 
D)  [Be(OH4)]2- 
E)  Be(s) + H2(g) 
A)  Be2O2 + H3O+ 
B)  [Be(OH)6]4- 
C)  BeO2 + OH- 
D)  [Be(OH4)]2- 
E)  Be(s) + H2(g)

Question 14

Sodium is produced commercially from the reduction of NaCl by K, followed by the fractional distillation of Na(g).

Accepted Answer

A) True 
 B)False

Question 15

Li reacts with oxygen in air to give Li2O2.

Accepted Answer

A) True 
 B)False

Question 16

Which of the elements from group 13 has a chemistry that is most similar to beryllium?

Accepted Answer

A)  Boron 
B)  Aluminum 
C)  Gallium 
D)  Indium 
E)  Thallium 
A)  Boron 
B)  Aluminum 
C)  Gallium 
D)  Indium 
E)  Thallium

Question 17

Why can't D2O or T2O support life the same way H2O does? What are tracers?

Accepted Answer

Because deuterons diffuse so much more s

Question 18

Two intertwined strands of DNA are connected by hydrogen bonds.

Accepted Answer

A) True 
 B)False

Question 19

Cesium is denser than rubidium.

Accepted Answer

A) True 
 B)False

Question 20

_____ is the only nonmetal from group 14.

Accepted Answer

The answer of _____ is the only nonmetal from group...

Exam 21: Periodic Trends and the S-Block Elements

Aluminum is chemically similar to silicon from group 14.

K+ and Mg2+ are biologically important ions found primarily in intracellular fluids.

Lead is more likely than carbon to form compounds in the +4 oxidation state.

Hydroxides of the lighter alkaline earth metals are soluble in water and their solubility decreases as the atomic number of the metal increases.

The normal boiling point of D2O is greater than that of H2O.

How many protons does tritium have?

Nonmetals tend to gain electrons in chemical reactions to form compounds.

Write a note on the isotopes of hydrogen.

Lithium is chemically most similar to _____.

The standard reduction potentials (E°) of the alkali metals do not follow the trend based on ionization energies.

Nitrogen is chemically most similar to _____ from group 16.

What is the inert pair effect? Why is this effect observed?

BeO(s) + OH−(aq) + H2O(l) →

Sodium is produced commercially from the reduction of NaCl by K, followed by the fractional distillation of Na(g).

Li reacts with oxygen in air to give Li2O2.

Which of the elements from group 13 has a chemistry that is most similar to beryllium?

Why can't D2O or T2O support life the same way H2O does? What are tracers?

Two intertwined strands of DNA are connected by hydrogen bonds.

Cesium is denser than rubidium.

_____ is the only nonmetal from group 14.

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Molecular Geometry and Covalent Bonding Models

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

The P-Block Elements

The D-Block Elements

Organic Compounds

Filters

K⁺ and Mg²⁺ are biologically important ions found primarily in intracellular fluids.

The normal boiling point of D₂O is greater than that of H₂O.

BeO(s) + OH⁻(aq) + H₂O(l) →

Li reacts with oxygen in air to give Li₂O₂.

Why can't D₂O or T₂O support life the same way H₂O does? What are tracers?