Question 1

Which of the following anions has its number of oxygen atoms equal to a number other than 3?

Accepted Answer

A)  carbonate 
B)  chlorate 
C)  dihydrogen phosphate 
D)  nitrate 
A)  carbonate 
B)  chlorate 
C)  dihydrogen phosphate 
D)  nitrate

Question 2

Which of the following may not exist as a diatomic molecule?

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  argon 
D)  hydrogen 
A)  oxygen 
B)  nitrogen 
C)  argon 
D)  hydrogen

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Which of the following anions has the largest number of oxygen atoms and at the same time has the most negative charge?

Accepted Answer

A)  carbonate 
B)  phosphate 
C)  permanganate 
D)  chromate 
A)  carbonate 
B)  phosphate 
C)  permanganate 
D)  chromate

Question 5

Fe(OH)2 is named ferrous hydroxide.

Accepted Answer

A) True 
 B)False

Question 6

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between these two atoms.

Accepted Answer

A) True 
 B)False

Question 7

The numerical rating of an atom's ability to attract the shared electrons is called ________.

Accepted Answer

A)  electronegativity 
B)  ionization 
C)  covalency 
D)  redistribution 
A)  electronegativity 
B)  ionization 
C)  covalency 
D)  redistribution

Question 8

How many covalent bonds can an element of Group VA form with other elements?

Accepted Answer

A)  4 
B)  3 
C)  2 
D)  1 
A)  4 
B)  3 
C)  2 
D)  1

Question 9

The number of valence electrons in the carbonate anion is ________.

Accepted Answer

A)  20 
B)  22 
C)  24 
D)  26 
A)  20 
B)  22 
C)  24 
D)  26

Question 10

There are no lone pairs in ethane.

Accepted Answer

A) True 
 B)False

Question 11

The formula for sodium acetate is ________.

Accepted Answer

A)  NaC₂H₂O₂ 
B)  NaCH₂O₂ 
C)  NaC₂H₃O₂ 
D)  NaC₂H₄O 
A)  NaC₂H₂O₂ 
B)  NaCH₂O₂ 
C)  NaC₂H₃O₂ 
D)  NaC₂H₄O

Question 12

The compound H₂SO₃ is called ________.

Accepted Answer

A)  sulfurous acid 
B)  sulfuric acid 
C)  hydrogen sulfide 
D)  sulfite acid 
A)  sulfurous acid 
B)  sulfuric acid 
C)  hydrogen sulfide 
D)  sulfite acid

Question 13

Identify the ion with a -2 charge.

Accepted Answer

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

Question 14

How many covalent bonds can a single oxygen atom form with other elements?

Accepted Answer

A)  3 
B)  4 
C)  2 
D)  1 
A)  3 
B)  4 
C)  2 
D)  1

Question 15

The compound P₂O₃ is named diphosphorus pentoxide.

Accepted Answer

A) True 
 B)False

Question 16

Covalent bonds are formed between atoms that share pairs of electrons.

Accepted Answer

A) True 
 B)False

Question 17

The number of valence electrons in magnesium is ________.

Accepted Answer

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

Question 18

Which of the following is the molecular formula for ozone?

Accepted Answer

A)  O₃ 
B)  O₃- 
C)  O₃-2 
D)  O₂-2 
A)  O₃ 
B)  O₃- 
C)  O₃-2 
D)  O₂-2

Question 19

Nitrogen trifluoride has ________ valence electrons that are contributed by the nitrogen atom.

Accepted Answer

A)  5 
B)  8 
C)  10 
D)  12 
A)  5 
B)  8 
C)  10 
D)  12

Question 20

When covalent bonds are broken energy is released.

Accepted Answer

A) True 
 B)False

Which of the following anions has its number of oxygen atoms equal to a number other than 3?

Which of the following may not exist as a diatomic molecule?

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

Which of the following anions has the largest number of oxygen atoms and at the same time has the most negative charge?

Fe(OH)2 is named ferrous hydroxide.

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between these two atoms.

The numerical rating of an atom's ability to attract the shared electrons is called ________.

How many covalent bonds can an element of Group VA form with other elements?

The number of valence electrons in the carbonate anion is ________.

There are no lone pairs in ethane.

The formula for sodium acetate is ________.

The compound H₂SO₃ is called ________.

Identify the ion with a -2 charge.

How many covalent bonds can a single oxygen atom form with other elements?

The compound P₂O₃ is named diphosphorus pentoxide.

Covalent bonds are formed between atoms that share pairs of electrons.

The number of valence electrons in magnesium is ________.

Which of the following is the molecular formula for ozone?

Nitrogen trifluoride has ________ valence electrons that are contributed by the nitrogen atom.

When covalent bonds are broken energy is released.

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

Which of the following anions has its number of oxygen atoms equal to a number other than 3?

Which of the following may not exist as a diatomic molecule?

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

Which of the following anions has the largest number of oxygen atoms and at the same time has the most negative charge?

Fe(OH)2 is named ferrous hydroxide.

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between these two atoms.

The numerical rating of an atom's ability to attract the shared electrons is called ________.

How many covalent bonds can an element of Group VA form with other elements?

The number of valence electrons in the carbonate anion is ________.

There are no lone pairs in ethane.

The formula for sodium acetate is ________.

The compound H₂SO₃ is called ________.

Identify the ion with a -2 charge.

How many covalent bonds can a single oxygen atom form with other elements?

The compound P₂O₃ is named diphosphorus pentoxide.

Covalent bonds are formed between atoms that share pairs of electrons.

The number of valence electrons in magnesium is ________.

Which of the following is the molecular formula for ozone?

Nitrogen trifluoride has ________ valence electrons that are contributed by the nitrogen atom.

When covalent bonds are broken energy is released.

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