Question 1

Name the following compound: Mg(NO3)2.

Accepted Answer

magnesium nitrate

Question 2

Write the formula of lead(II)chloride.

Accepted Answer

PbCl<sub>2</sub>

Question 3

The correct name for KHCO3 is

Accepted Answer

A) calcium bicarbonate. 
B) calcium carbonate. 
C) potassium carbonate. 
D) calcium hydrogen carbon trioxide. 
E) potassium hydrogen carbonate. 
A) calcium bicarbonate. 
B) calcium carbonate. 
C) potassium carbonate. 
D) calcium hydrogen carbon trioxide. 
E) potassium hydrogen carbonate. E

Question 4

What are isotopes?

Accepted Answer

Atoms of the same el

Question 5

Give the formula for carbon disulfide.

Accepted Answer

The answer of Give the formula for carbon disulfide....

Question 6

Write the formula of calcium carbonate.

Accepted Answer

The answer of Write the formula of calcium carbonate....

Question 7

What is the formula for the ionic compound formed by calcium and selenium?

Accepted Answer

A) CaSe 
B) Ca2Se 
C) CaSe2 
D) Ca3Se 
E) CaSe3 
A) CaSe 
B) Ca2Se 
C) CaSe2 
D) Ca3Se 
E) CaSe3

Question 8

Give the formula of ammonium sulfate.

Accepted Answer

The answer of Give the formula of ammonium sulfate....

Question 9

Which of the following is the formula for hydrobromic acid?

Accepted Answer

A) KBr 
B) HBr 
C) HBrO 
D) HBrO2 
E) HBrO3 
A) KBr 
B) HBr 
C) HBrO 
D) HBrO2 
E) HBrO3

Question 10

A phosphide ion has:

Accepted Answer

A) 10 protons and 13 electrons 
B) 12 protons and 15 electrons 
C) 15 protons and 15 electrons 
D) 15 protons and 18 electrons 
E) 18 protons and 21 electrons 
A) 10 protons and 13 electrons 
B) 12 protons and 15 electrons 
C) 15 protons and 15 electrons 
D) 15 protons and 18 electrons 
E) 18 protons and 21 electrons

Question 11

An oxide ion, O2-, has:

Accepted Answer

A) 8 protons and 10 electrons 
B) 10 protons and 8 electrons 
C) 8 protons and 9 electrons 
D) 8 protons and 7 electrons 
E) 10 protons and 7 electrons 
A) 8 protons and 10 electrons 
B) 10 protons and 8 electrons 
C) 8 protons and 9 electrons 
D) 8 protons and 7 electrons 
E) 10 protons and 7 electrons

Question 12

What are the three subatomic particles that are important in chemistry?

Accepted Answer

electrons,

Question 13

Name the following compound: KCl.

Accepted Answer

The answer of Name the following compound: KCl....

Question 14

The chemical name for ClO2-  is chlorite ion. Therefore, the name of HClO2 is

Accepted Answer

A) hydrochloric acid. 
B) chloroform. 
C) hydrogen dioxychloride. 
D) chlorous acid. 
E) chloric acid. 
A) hydrochloric acid. 
B) chloroform. 
C) hydrogen dioxychloride. 
D) chlorous acid. 
E) chloric acid.

Question 15

Which of the following scientists developed the nuclear model of the atom?

Accepted Answer

A) John Dalton 
B) Robert Millikan 
C) J. J. Thomson 
D) Henry Moseley 
E) Ernest Rutherford 
A) John Dalton 
B) Robert Millikan 
C) J. J. Thomson 
D) Henry Moseley 
E) Ernest Rutherford

Question 16

What is the formula for the ionic compound formed by magnesium and iodine?

Accepted Answer

A) MgI 
B) Mg2I 
C) MgI2 
D) MgI3 
E) Mg3I 
A) MgI 
B) Mg2I 
C) MgI2 
D) MgI3 
E) Mg3I

Question 17

Give the formula of calcium phosphate.

Accepted Answer

The answer of Give the formula of calcium phosphate....

Question 18

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 40Ca?

Accepted Answer

Question 19

The formula for calcium phosphate is

Accepted Answer

A) CaPO4. 
B) Ca3(PO4)2. 
C) Ca2(PO4)3. 
D) Ca3P2. 
E) Ca3(PO3)2. 
A) CaPO4. 
B) Ca3(PO4)2. 
C) Ca2(PO4)3. 
D) Ca3P2. 
E) Ca3(PO3)2.

Question 20

Give the formula for potassium oxide.

Accepted Answer

The answer of Give the formula for potassium oxide....

Exam 2: Atoms, Molecules, and Ions

Name the following compound: Mg(NO3)2.

Write the formula of lead(II)chloride.

The correct name for KHCO3 is

What are isotopes?

Give the formula for carbon disulfide.

Write the formula of calcium carbonate.

What is the formula for the ionic compound formed by calcium and selenium?

Give the formula of ammonium sulfate.

Which of the following is the formula for hydrobromic acid?

A phosphide ion has:

An oxide ion, O2-, has:

What are the three subatomic particles that are important in chemistry?

Name the following compound: KCl.

The chemical name for ClO2- is chlorite ion. Therefore, the name of HClO2 is

Which of the following scientists developed the nuclear model of the atom?

What is the formula for the ionic compound formed by magnesium and iodine?

Give the formula of calcium phosphate.

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of 40Ca?

The formula for calcium phosphate is

Give the formula for potassium oxide.

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 compound: Mg(NO₃)₂.

The correct name for KHCO₃ is

An oxide ion, O^2-, has:

The chemical name for ClO₂^- is chlorite ion. Therefore, the name of HClO₂ is

What is the total number of atomic particles (protons, neutrons, and electrons)in an atom of ⁴⁰Ca?