Question 1

The proton is about 1840 times heavier than the electron.

Accepted Answer

A) True 
 B)False

Question 2

Define ion.

Accepted Answer

An ion is an atom or

Question 3

Name the following binary compound: Fe2O3.

Accepted Answer

iron(III)o

Question 4

How many atoms are in one molecule of CaCl2?

Accepted Answer

Question 5

How many protons are there in an atom of uranium whose mass number is 235?

Accepted Answer

A) 92 
B) 143 
C) 235 
D) 238 
E) 327 
A) 92 
B) 143 
C) 235 
D) 238 
E) 327

Question 6

The correct name for CuSO4·5H2O is

Accepted Answer

A) copper sulfate acid. 
B) copper sulfate pentahydrate. 
C) copper(II)sulfate acid. 
D) copper(II)sulfate pentahydrate. 
E) copper(V)sulfate hydrate. 
A) copper sulfate acid. 
B) copper sulfate pentahydrate. 
C) copper(II)sulfate acid. 
D) copper(II)sulfate pentahydrate. 
E) copper(V)sulfate hydrate.

Question 7

What is the law of conservation of mass?

Accepted Answer

Matter can

Question 8

Give the formula for lithium hydroxide.

Accepted Answer

The answer of Give the formula for lithium hydroxide....

Question 9

Name the following binary compound: FeS.

Accepted Answer

The answer of Name the following binary compound: FeS....

Question 10

Which of the following elements is most likely to be a good conductor of electricity?

Accepted Answer

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

Question 11

How many neutrons are there in an atom of uranium whose mass number is 235?

Accepted Answer

A) 92 
B) 143 
C) 235 
D) 238 
E) 327 
A) 92 
B) 143 
C) 235 
D) 238 
E) 327

Question 12

Rutherford's experiment with alpha particle scattering by gold foil established that

Accepted Answer

A) protons are not evenly distributed throughout an atom. 
B) electrons have a negative charge. 
C) electrons have a positive charge. 
D) atoms are made of protons, neutrons, and electrons. 
E) protons are 1840 times heavier than electrons. 
A) protons are not evenly distributed throughout an atom. 
B) electrons have a negative charge. 
C) electrons have a positive charge. 
D) atoms are made of protons, neutrons, and electrons. 
E) protons are 1840 times heavier than electrons.

Question 13

Give the formula for nickel(II)sulfate.

Accepted Answer

The answer of Give the formula for nickel(II)sulfate....

Question 14

Which of the following pairs of elements would be most likely to form an ionic compound?

Accepted Answer

A) P and Br 
B) Cu and K 
C) C and O 
D) O and Zn 
E) Al and Rb 
A) P and Br 
B) Cu and K 
C) C and O 
D) O and Zn 
E) Al and Rb

Question 15

Name the following ternary compound: Na3PO4.

Accepted Answer

Question 16

Give the formula of hydrochloric acid.

Accepted Answer

The answer of Give the formula of hydrochloric acid....

Question 17

The scientist who determined the magnitude of the electric charge of the electron was

Accepted Answer

A) John Dalton. 
B) Robert Millikan. 
C) J. J. Thomson. 
D) Henry Moseley. 
E) R. Chang. 
A) John Dalton. 
B) Robert Millikan. 
C) J. J. Thomson. 
D) Henry Moseley. 
E) R. Chang.

Question 18

Use the periodic table above to show where the alkaline earth metals are located.

Accepted Answer

The answer of Use the periodic table above to show...

Question 19

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 3H?

Accepted Answer

Question 20

Which of the following elements is chemically similar to magnesium?

Accepted Answer

A) sulfur 
B) calcium 
C) iron 
D) nickel 
E) potassium 
A) sulfur 
B) calcium 
C) iron 
D) nickel 
E) potassium

Exam 2: Atoms, Molecules, and Ions

The proton is about 1840 times heavier than the electron.

Define ion.

Name the following binary compound: Fe2O3.

How many atoms are in one molecule of CaCl2?

How many protons are there in an atom of uranium whose mass number is 235?

The correct name for CuSO4·5H2O is

What is the law of conservation of mass?

Give the formula for lithium hydroxide.

Name the following binary compound: FeS.

Which of the following elements is most likely to be a good conductor of electricity?

How many neutrons are there in an atom of uranium whose mass number is 235?

Rutherford's experiment with alpha particle scattering by gold foil established that

Give the formula for nickel(II)sulfate.

Which of the following pairs of elements would be most likely to form an ionic compound?

Name the following ternary compound: Na3PO4.

Give the formula of hydrochloric acid.

The scientist who determined the magnitude of the electric charge of the electron was

Use the periodic table above to show where the alkaline earth metals are located.

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 3H?

Which of the following elements is chemically similar to magnesium?

Introduction

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

Name the following binary compound: Fe₂O₃.

How many atoms are in one molecule of CaCl₂?

The correct name for CuSO₄·5H₂O is

Name the following ternary compound: Na₃PO₄.

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of ³H?