Question 1

Ionic bonding is expected in which of these compounds?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

How many electrons will lithium gain or lose when it forms an ion?

Accepted Answer

A) lose 1 
B) lose 3 
C) lose 2 
D) gain 5 
E) gain 1 
A) lose 1 
B) lose 3 
C) lose 2 
D) gain 5 
E) gain 1

Question 3

In an electron-dot structure of an element, the dots are used to represent

Accepted Answer

A) the electron arrangement. 
B) the electrons that the element will gain when it forms a compound. 
C) all of the electrons in the atom. 
D) only the electrons that will participate in bond formation. 
E) the valence electrons. 
A) the electron arrangement. 
B) the electrons that the element will gain when it forms a compound. 
C) all of the electrons in the atom. 
D) only the electrons that will participate in bond formation. 
E) the valence electrons.

Question 4

The formula for a molecule formed from N  and Cl would be

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 5

What is the formula of the nitride ion?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

How many electrons will aluminum gain or lose when it forms an ion?

Accepted Answer

A) gain 1 
B) lose 3 
C) lose 1 
D) gain 5 
E) lose 2 
A) gain 1 
B) lose 3 
C) lose 1 
D) gain 5 
E) lose 2

Question 7

Which one of the following compounds contains an ion with a  3+  charge?

Accepted Answer

A)    
B)    
C)  KCI 
D)    
E)    
A)    
B)    
C)  KCI 
D)    
E)

Question 8

How many valence electrons are in the Lewis structure of

Accepted Answer

A)  8 
B)  2 
C)  6 
D)  10 
E)  4 
A)  8 
B)  2 
C)  6 
D)  10 
E)  4

Question 9

Accepted Answer

A) nitrogen trioxide. 
B) dinitride trioxide. 
C) dinitrogen trioxide. 
D) dinitrogen oxide. 
E) nitrogen oxide. 
A) nitrogen trioxide. 
B) dinitride trioxide. 
C) dinitrogen trioxide. 
D) dinitrogen oxide. 
E) nitrogen oxide.

Question 10

The ion of aluminum is

Accepted Answer

A)    
B)    
C)    
D)    
E)     
A)    
B)    
C)    
D)    
E)

Question 11

The correct formula for a compound formed from the elements Al and O is

Accepted Answer

A)    
B)    
C)    
D)  AlO. 
E)    
A)    
B)    
C)    
D)  AlO. 
E)

Question 12

Elements in group 2A (2)of the periodic table form ions with a charge of

Accepted Answer

A) 1+. 
B) 1-. 
C) 2+. 
D) 0. 
E) 3+. 
A) 1+. 
B) 1-. 
C) 2+. 
D) 0. 
E) 3+.

Question 13

How many valence electrons are in the electron-dot structure for an element in group 3A (13)?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 14

The number of electrons in an ion with 20 protons and an ionic charge of 2+ is

Accepted Answer

A) 22. 
B) 20. 
C) 18. 
D) 24. 
E) 16. 
A) 22. 
B) 20. 
C) 18. 
D) 24. 
E) 16.

Question 15

The ability of an atom to attract the shared electrons in a covalent bond is its

Accepted Answer

A) nonpolarity. 
B) ionic character. 
C) electronegativity. 
D) bonding ability. 
E) polarity. 
A) nonpolarity. 
B) ionic character. 
C) electronegativity. 
D) bonding ability. 
E) polarity.

Question 16

How many electrons will iodine gain or lose when it forms an ion?

Accepted Answer

A) gain 1 
B) lose 2 
C) lose 1 
D) lose 3 
E) gain 5 
A) gain 1 
B) lose 2 
C) lose 1 
D) lose 3 
E) gain 5

Question 17

The correct formula for the compound formed from Mg and S is

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 18

The name of   is

Accepted Answer

A)  lead(II) oxide. 
B)  lead dioxide. 
C)  plumbum oxide. 
D)  lead(IV) oxide. 
E)  lead oxygen. 
A)  lead(II) oxide. 
B)  lead dioxide. 
C)  plumbum oxide. 
D)  lead(IV) oxide. 
E)  lead oxygen.

Question 19

Accepted Answer

A) metallic bond. 
B) nonpolar covalent bond. 
C) ionic bond. 
D) polar ionic bond. 
E) no bond. 
A) metallic bond. 
B) nonpolar covalent bond. 
C) ionic bond. 
D) polar ionic bond. 
E) no bond.

Question 20

Double and triple bonds form because

Accepted Answer

A) one of the atoms in the molecule has more than eight valence electrons. 
B) the atoms involved have high electronegativities. 
C) there is at least one hydrogen atom involved in the bond. 
D) the ions involved have charges larger than one. 
E) single covalent bonds do not give all of the atoms in the molecule an octet of electrons. 
A) one of the atoms in the molecule has more than eight valence electrons. 
B) the atoms involved have high electronegativities. 
C) there is at least one hydrogen atom involved in the bond. 
D) the ions involved have charges larger than one. 
E) single covalent bonds do not give all of the atoms in the molecule an octet of electrons.

Exam 6: Ionic and Molecular Compounds

Ionic bonding is expected in which of these compounds?

How many electrons will lithium gain or lose when it forms an ion?

In an electron-dot structure of an element, the dots are used to represent

The formula for a molecule formed from N and Cl would be

What is the formula of the nitride ion?

How many electrons will aluminum gain or lose when it forms an ion?

Which one of the following compounds contains an ion with a 3+ charge?

How many valence electrons are in the Lewis structure of

The ion of aluminum is

The correct formula for a compound formed from the elements Al and O is

Elements in group 2A (2)of the periodic table form ions with a charge of

How many valence electrons are in the electron-dot structure for an element in group 3A (13)?

The number of electrons in an ion with 20 protons and an ionic charge of 2+ is

The ability of an atom to attract the shared electrons in a covalent bond is its

How many electrons will iodine gain or lose when it forms an ion?

The correct formula for the compound formed from Mg and S is

The name of is

Double and triple bonds form because

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