Question 1

What is the charge on the chromium ion in the ionic compound CrCl3?

Accepted Answer

A) +6 
B) +3 
C) -3 
D) -6 
E) Not enough information is given to determine the charge. 
A) +6 
B) +3 
C) -3 
D) -6 
E) Not enough information is given to determine the charge. B

Question 2

Which element has a variable charge?

Accepted Answer

A) Na 
B) Fe 
C) Al 
D) C 
A) Na 
B) Fe 
C) Al 
D) C B

Question 3

Which is NOT an ionic compound?

Accepted Answer

A) KCl 
B) Ca(NO3)2 
C) CBr4 
D) AlBr3 
A) KCl 
B) Ca(NO3)2 
C) CBr4 
D) AlBr3 C

Question 4

What is the formula for the ionic compound formed from the lead (II)ion and the carbonate ion?

Accepted Answer

A) Pb(CO3)2 
B) PbCO3 
C) Pb2CO3 
D) PbCO4 
A) Pb(CO3)2 
B) PbCO3 
C) Pb2CO3 
D) PbCO4

Question 5

Which group of the Periodic Table does not typically form ions?

Accepted Answer

A) Group 1A 
B) Group 2A 
C) Group 6A 
D) Group 7A 
E) Group 8A 
A) Group 1A 
B) Group 2A 
C) Group 6A 
D) Group 7A 
E) Group 8A

Question 6

When an atom gains or loses electrons,the ion formed will have the same radius (size).

Accepted Answer

A) True 
 B)False

Question 7

Sodium bicarbonate and sodium hydrogen carbonate are two acceptable names for the same compound.

Accepted Answer

A) True 
 B)False

Question 8

The formula for zinc acetate is ________.

Accepted Answer

A) ZnCH3CO2 
B) Zn(CH3CO2)2 
C) Zn(HCO3)2 
D) Zn(HCl)8 
A) ZnCH3CO2 
B) Zn(CH3CO2)2 
C) Zn(HCO3)2 
D) Zn(HCl)8

Question 9

Which statement best explains the basis for the octet rule?

Accepted Answer

A) Atoms are most stable when they have eight bonds. 
B) Atoms lose,gain,or share electrons to become a stable,noble gas. 
C) Atoms are most stable with eight protons in their nucleus. 
D) Atoms are most stable with eight electrons in their valence shell and the electron configuration of a noble gas. 
A) Atoms are most stable when they have eight bonds. 
B) Atoms lose,gain,or share electrons to become a stable,noble gas. 
C) Atoms are most stable with eight protons in their nucleus. 
D) Atoms are most stable with eight electrons in their valence shell and the electron configuration of a noble gas.

Question 10

The noble gas that has the same electronic configuration as the iodide ion is krypton.

Accepted Answer

A) True 
 B)False

Question 11

Which pair of elements will form an ionic compound?

Accepted Answer

A) Sulfur and oxygen 
B) Copper and iron 
C) Iron and chlorine 
D) Bromine and oxygen 
A) Sulfur and oxygen 
B) Copper and iron 
C) Iron and chlorine 
D) Bromine and oxygen

Question 12

When forming ions,metals typically do which of the following?

Accepted Answer

A) Lose electrons to form negatively charged ions 
B) Gain protons to form cations 
C) Gain electrons to form anions 
D) Lose electrons to form positively charged ions 
A) Lose electrons to form negatively charged ions 
B) Gain protons to form cations 
C) Gain electrons to form anions 
D) Lose electrons to form positively charged ions

Question 13

The chemical formula for iron (III)bicarbonate is ________.

Accepted Answer

The answer of The chemical formula for iron (III)bicarbonate is...

Question 14

What is the formula for the ionic compound formed when aluminum and sulfur combine?

Accepted Answer

A) AlS 
B) Al2S3 
C) AlS3 
D) Al2S 
E) Al3S2 
A) AlS 
B) Al2S3 
C) AlS3 
D) Al2S 
E) Al3S2

Question 15

What is the formula for the ionic compound formed when potassium and bromine combine?

Accepted Answer

A) PBr 
B) KBr 
C) KBr2 
D) K2Br 
E) K7Br 
A) PBr 
B) KBr 
C) KBr2 
D) K2Br 
E) K7Br

Question 16

Which statement concerning the ion Li+ is correct?

Accepted Answer

A) Li+ has two total electrons. 
B) Li+ has an octet of electrons in its valence shell. 
C) Li+ is formed when a lithium atom gains one electron. 
D) Li+ is formed when a lithium atom gains one proton. 
A) Li+ has two total electrons. 
B) Li+ has an octet of electrons in its valence shell. 
C) Li+ is formed when a lithium atom gains one electron. 
D) Li+ is formed when a lithium atom gains one proton.

Question 17

In bonding,main group elements ________ to attain the electronic configuration of the noble gas closest to them in the periodic table.

Accepted Answer

A) gain electrons 
B) lose electrons 
C) share electrons 
D) gain,lose,or share electrons 
A) gain electrons 
B) lose electrons 
C) share electrons 
D) gain,lose,or share electrons

Question 18

What is the chemical formula of tin (IV)cyanide?

Accepted Answer

A) Sn4CN 
B) SnCN4 
C) Sn(CN)4 
D) SnC4N4 
A) Sn4CN 
B) SnCN4 
C) Sn(CN)4 
D) SnC4N4

Question 19

Sodium nitrate and sodium nitrite are two acceptable names for the same compound.

Accepted Answer

A) True 
 B)False

Question 20

The formula for copper (II)hydroxide is Cu(OH)2.

Accepted Answer

A) True 
 B)False

Exam 3: Ionic Compounds

What is the charge on the chromium ion in the ionic compound CrCl3?

Which element has a variable charge?

Which is NOT an ionic compound?

What is the formula for the ionic compound formed from the lead (II)ion and the carbonate ion?

Which group of the Periodic Table does not typically form ions?

When an atom gains or loses electrons,the ion formed will have the same radius (size).

Sodium bicarbonate and sodium hydrogen carbonate are two acceptable names for the same compound.

The formula for zinc acetate is ________.

Which statement best explains the basis for the octet rule?

The noble gas that has the same electronic configuration as the iodide ion is krypton.

Which pair of elements will form an ionic compound?

When forming ions,metals typically do which of the following?

The chemical formula for iron (III)bicarbonate is ________.

What is the formula for the ionic compound formed when aluminum and sulfur combine?

What is the formula for the ionic compound formed when potassium and bromine combine?

Which statement concerning the ion Li+ is correct?

In bonding,main group elements ________ to attain the electronic configuration of the noble gas closest to them in the periodic table.

What is the chemical formula of tin (IV)cyanide?

Sodium nitrate and sodium nitrite are two acceptable names for the same compound.

The formula for copper (II)hydroxide is Cu(OH)2.

Matter and Measurement

Atoms and the Periodic Table

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

What is the charge on the chromium ion in the ionic compound CrCl₃?

Which statement concerning the ion Li⁺ is correct?

The formula for copper (II)hydroxide is Cu(OH)₂.