Question 1

Calcium and barium have the same number of valence electrons.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following polyatomic ions has a -2 charge?

Accepted Answer

A)  ammonium 
B)  carbonate 
C)  dihydrogen phosphate 
D)  acetate 
A)  ammonium 
B)  carbonate 
C)  dihydrogen phosphate 
D)  acetate

Question 3

Which of the following anions has its number of oxygen atoms equal to a number other than 2?

Accepted Answer

A)  chromate 
B)  chlorite 
C)  acetate 
D)  nitrite 
A)  chromate 
B)  chlorite 
C)  acetate 
D)  nitrite

Question 4

Carbon tetrafluoride has ________ total valence electrons.

Accepted Answer

A)  24 
B)  28 
C)  32 
D)  36 
A)  24 
B)  28 
C)  32 
D)  36

Question 5

Identify the ion with a +1 charge.

Accepted Answer

A)  phosphate 
B)  chlorate 
C)  chromate 
D)  ammonium 
A)  phosphate 
B)  chlorate 
C)  chromate 
D)  ammonium

Question 6

Ammonium chloride may be considered as an exception of an ionic compound although it does not include any metals in its formula.

Accepted Answer

A) True 
 B)False

Question 7

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following elements does not have at least two differently charged cations?

Accepted Answer

A)  magnesium 
B)  copper 
C)  cobalt 
D)  iron 
A)  magnesium 
B)  copper 
C)  cobalt 
D)  iron

Question 9

Which of the following gases does not have a triple bond?

Accepted Answer

A)  hydrogen cyanide 
B)  acetylene, C₂H₂ 
C)  carbon dioxide 
D)  nitrogen 
A)  hydrogen cyanide 
B)  acetylene, C₂H₂ 
C)  carbon dioxide 
D)  nitrogen

Question 10

The expected formula between magnesium and sulfur is ________.

Accepted Answer

A)  MgS 
B)  MgS2 
C)  Mg2S 
D)  Mg2S3 
A)  MgS 
B)  MgS2 
C)  Mg2S 
D)  Mg2S3

Question 11

Identify the least polar covalent bond.

Accepted Answer

A)  C-C 
B)  C-H 
C)  C-F 
D)  C-Cl 
A)  C-C 
B)  C-H 
C)  C-F 
D)  C-Cl

Question 12

Which of the following elements has the lowest number of valence electrons?

Accepted Answer

A)  magnesium 
B)  lithium 
C)  argon 
D)  phosphorus 
A)  magnesium 
B)  lithium 
C)  argon 
D)  phosphorus

Question 13

Which of the following has at least one double bond?

Accepted Answer

A)  hydrogen 
B)  carbon dioxide 
C)  chlorine 
D)  nitrogen 
A)  hydrogen 
B)  carbon dioxide 
C)  chlorine 
D)  nitrogen

Question 14

Each atom in the oxygen molecule contributes ________ valence electrons for a total of ________ electrons

Accepted Answer

A)  6; 12 
B)  6; 8 
C)  8; 6 
D)  12; 6 
A)  6; 12 
B)  6; 8 
C)  8; 6 
D)  12; 6

Question 15

In naming binary compounds, the negatively charged ion has the -ide suffix.

Accepted Answer

A) True 
 B)False

Question 16

In its ground state, sulfur has two valence electrons and needs four more electrons to reach the octet.

Accepted Answer

A) True 
 B)False

Question 17

What is the most likely formula of the neutral, ionic compound formed by lithium and nitrogen?

Accepted Answer

A)  LI₂N 
B)  LI₃N 
C)  LiN 
D)  LiN₂ 
A)  LI₂N 
B)  LI₃N 
C)  LiN 
D)  LiN₂

Question 18

Which of the following cations have the most positive charge?

Accepted Answer

A)  cobaltic 
B)  ferric 
C)  stannic 
D)  mercuric 
A)  cobaltic 
B)  ferric 
C)  stannic 
D)  mercuric

Question 19

The number of valence electrons in sulfur is ________.

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 20

The formula for hydrocyanic acid is ________.

Accepted Answer

A)  HCNO 
B)  HCN 
C)  H₂CN 
D)  H₂CNO 
A)  HCNO 
B)  HCN 
C)  H₂CN 
D)  H₂CNO

Calcium and barium have the same number of valence electrons.

Which of the following polyatomic ions has a -2 charge?

Which of the following anions has its number of oxygen atoms equal to a number other than 2?

Carbon tetrafluoride has ________ total valence electrons.

Identify the ion with a +1 charge.

Ammonium chloride may be considered as an exception of an ionic compound although it does not include any metals in its formula.

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.

Which of the following elements does not have at least two differently charged cations?

Which of the following gases does not have a triple bond?

The expected formula between magnesium and sulfur is ________.

Identify the least polar covalent bond.

Which of the following elements has the lowest number of valence electrons?

Which of the following has at least one double bond?

Each atom in the oxygen molecule contributes valence electrons for a total of electrons

In naming binary compounds, the negatively charged ion has the -ide suffix.

In its ground state, sulfur has two valence electrons and needs four more electrons to reach the octet.

What is the most likely formula of the neutral, ionic compound formed by lithium and nitrogen?

Which of the following cations have the most positive charge?

The number of valence electrons in sulfur is ________.

The formula for hydrocyanic acid is ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 5: Chemical Bonding and Nomenclature

Calcium and barium have the same number of valence electrons.

Which of the following polyatomic ions has a -2 charge?

Which of the following anions has its number of oxygen atoms equal to a number other than 2?

Carbon tetrafluoride has ________ total valence electrons.

Identify the ion with a +1 charge.

Ammonium chloride may be considered as an exception of an ionic compound although it does not include any metals in its formula.

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.

Which of the following elements does not have at least two differently charged cations?

Which of the following gases does not have a triple bond?

The expected formula between magnesium and sulfur is ________.

Identify the least polar covalent bond.

Which of the following elements has the lowest number of valence electrons?

Which of the following has at least one double bond?

Each atom in the oxygen molecule contributes ________ valence electrons for a total of ________ electrons

In naming binary compounds, the negatively charged ion has the -ide suffix.

In its ground state, sulfur has two valence electrons and needs four more electrons to reach the octet.

What is the most likely formula of the neutral, ionic compound formed by lithium and nitrogen?

Which of the following cations have the most positive charge?

The number of valence electrons in sulfur is ________.

The formula for hydrocyanic acid is ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Each atom in the oxygen molecule contributes valence electrons for a total of electrons