Question 1

The table below describes four atoms.   Which atoms represent the same element?

Accepted Answer

Atoms A and D repres

Question 2

What type of compound is NH3?

Accepted Answer

A) Ionic 
B) Ternary 
C) Acid 
D) Base 
E) Hydrate 
A) Ionic 
B) Ternary 
C) Acid 
D) Base 
E) Hydrate

Question 3

Name the compound Co2(SO3)3 .

Accepted Answer

A) cobalt sulfate 
B) cobalt(II)sulfite 
C) cobalt(II)sulfate 
D) cobalt(III)sulfite 
E) cobalt(III)sulfate 
A) cobalt sulfate 
B) cobalt(II)sulfite 
C) cobalt(II)sulfate 
D) cobalt(III)sulfite 
E) cobalt(III)sulfate

Question 4

Give the formula for potassium hydroxide.

Accepted Answer

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

Question 5

What is the law of conservation of mass?

Accepted Answer

Matter can

Question 6

What are the ions present in the compound CO2?

Accepted Answer

A) C4+, 2 O2- 
B) C2+, 2 O- 
C) C2+, O2- 
D) C2+, O22- 
E) no ions present 
A) C4+, 2 O2- 
B) C2+, 2 O- 
C) C2+, O2- 
D) C2+, O22- 
E) no ions present

Question 7

Name the compounds SO3

Accepted Answer

A) sulfur trioxide 
B) sulfate 
C) sulfite 
D) sulfur trioxygen 
E) sulfur oxide 
A) sulfur trioxide 
B) sulfate 
C) sulfite 
D) sulfur trioxygen 
E) sulfur oxide

Question 8

What are the two different ions present in the compound Li3N?

Accepted Answer

A) Li+, N3- 
B) Li3+, N- 
C) Li33+, N3- 
D) Li+, N- 
E) Li3+, N3- 
A) Li+, N3- 
B) Li3+, N- 
C) Li33+, N3- 
D) Li+, N- 
E) Li3+, N3-

Question 9

Name the compound CH3CH2OH

Accepted Answer

Question 10

The formula for sodium sulfide is

Accepted Answer

A) NaS. 
B) K2S. 
C) NaS2. 
D) Na2S. 
E) SeS. 
A) NaS. 
B) K2S. 
C) NaS2. 
D) Na2S. 
E) SeS.

Question 11

What type of compound is IF5?

Accepted Answer

A) Ionic 
B) Molecular 
C) Acid 
D) Base 
E) Hydrate 
A) Ionic 
B) Molecular 
C) Acid 
D) Base 
E) Hydrate

Question 12

How many protons and electrons are present in one Br- ion?

Accepted Answer

A) 35 p, 35 e 
B) 80 p, 81 e 
C) 35 p, 34 e 
D) 35 p, 36 e 
E) 80 p, 34 e 
A) 35 p, 35 e 
B) 80 p, 81 e 
C) 35 p, 34 e 
D) 35 p, 36 e 
E) 80 p, 34 e

Question 13

What are the two different ions present in the compound Na2S?

Accepted Answer

A) Na2+, S2- 
B) Na+, S2- 
C) Na2+, S2- 
D) Na+, S- 
E) Na2+, S- 
A) Na2+, S2- 
B) Na+, S2- 
C) Na2+, S2- 
D) Na+, S- 
E) Na2+, S-

Question 14

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

Question 15

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 16

Name the compound CuSO4

Accepted Answer

A) Copper (I)sulfate 
B) Copper (I)sulfite 
C) Copper (II)sulfite 
D) Copper (II)sulfate 
E) Copper (IV)sulfate 
A) Copper (I)sulfate 
B) Copper (I)sulfite 
C) Copper (II)sulfite 
D) Copper (II)sulfate 
E) Copper (IV)sulfate

Question 17

-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...

Question 18

What is the formula for xenon hexafluoride?

Accepted Answer

The answer of What is the formula for xenon hexafluoride?...

Question 19

What are the ions present in the compound CH4?

Accepted Answer

A) C4+, H+ 
B) C4-, H+ 
C) C-, H+ 
D) C4- H4+ 
E) no ions present 
A) C4+, H+ 
B) C4-, H+ 
C) C-, H+ 
D) C4- H4+ 
E) no ions present

Question 20

What are isotopes?

Accepted Answer

Atoms of the same el

Exam 2: Atoms, Molecules, and Ions

The table below describes four atoms. Which atoms represent the same element?

What type of compound is NH3?

Name the compound Co2(SO3)3 .

Give the formula for potassium hydroxide.

What is the law of conservation of mass?

What are the ions present in the compound CO2?

Name the compounds SO3

What are the two different ions present in the compound Li3N?

Name the compound CH3CH2OH

The formula for sodium sulfide is

What type of compound is IF5?

How many protons and electrons are present in one Br- ion?

What are the two different ions present in the compound Na2S?

Which of the following elements is chemically similar to magnesium?

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

Name the compound CuSO4

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

What is the formula for xenon hexafluoride?

What are the ions present in the compound CH4?

What are isotopes?

Chemistry: the Study of Change

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

What type of compound is NH₃?

Name the compound Co₂(SO₃)₃ .

What are the ions present in the compound CO₂?

Name the compounds SO₃

What are the two different ions present in the compound Li₃N?

Name the compound CH₃CH₂OH

What type of compound is IF₅?

How many protons and electrons are present in one Br^- ion?

What are the two different ions present in the compound Na₂S?

Name the compound CuSO₄

What are the ions present in the compound CH₄?