Highlander Help

BASIC REVIEW CH. 9-12

Resources:

Have you found videos, websites, or explanations that helped you understand this chapter? Let us know and we'll add them to "Resources" part of this page for other students to use.


Answer Explanations Coming Soon!

 

Question 1

How many valence electrons does boron have?

 

Explanation

Your content goes here...

 

Question 2

How many valence electrons does magnesium have?

 

Explanation

Your content goes here...

 

Question 3

How many valence electrons does bromine have?

 

Explanation

Your content goes here...

 

Question 4

How many valence electrons does argon have?

 

Explanation

Your content goes here...

 

Question 5

Which of the following statements about Lewis Structures is FALSE?

Lewis Structures

Select one:
 Correct

 

Explanation

Your content goes here...

 

Question 6

Write the Lewis structure for H2O and check those statements which are correct.

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 7

Write the Lewis structure for NH41+ and check those statements which are correct.

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 8

Write the Lewis structure for SiBr4 and check those statements which are correct.

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 9

Which structure correctly represents hydroxylamine, NH3O. Also, check those statements which are correct for the completed Lewis structure.

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 10

Which Lewis structure, satisfying the octet rule, correctly represents phosphorous acid, H3PO3. Also, check those statements which are correct for the completed Lewis structure satisfying the octet rule.

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 11

Formaldehyde, H2CO, is a gas with a characteristic pungent odor. Draw its Lewis structure. Which statements are correct regarding its Lewis structure?

Determining Lewis Structures

Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 12

Draw the Lewis structure for hydogen cyanide, HCN. Which statements are correct regarding its Lewis structure?

Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 13

Draw the Lewis structures for the carbonate ion, CO32-. Which statements are correct regarding its Lewis structures?

Resonance Structures

Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 14

Draw the Lewis structure for the iodine dioxide difluoride ion, IO2F2-. Which statements are correct regarding its Lewis structure? (Note, all the atoms are bonded to the central I atom.)

Steric Number

Octet Rule Exceptions

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 15

Draw the Lewis structure and shape for the ammonia, NH3. Which of the following statements are correct.

VSEPR

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 16

Draw the Lewis structure and shape for PCl5. Which of the following statements are correct.

Summary of names and shapes using VSEPR

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 17

Which statements are correct for carbon dioxide?


Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 18

Complete the Lewis structure for the following hydrocarbon. Which statements are correct for this compound?

Select one or more:
 Correct
 Correct
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 19

Which of the following ionic compounds has the highest melting point?

Select one:
 Correct

 

Explanation

Your content goes here...

 

Question 20

Which of the following molecules are nonpolar? 

(You need to draw the Lewis structure for each molecule unless you already know by analogy. For example, NH3 and PH3 have the same shape because P is below N on the periodic table, so they have the same number of valence electrons.) 

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 21

Which of the following molecules have dipole-dipole forces between different molecules? (Lewis structures may need to be drawn.)

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 22

Which of the following molecules have H-bonding and thus a higher than expected melting and boiling point?

Select one or more:
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 23

For each of the following molecules pick the one with the greater London forces and hence higher melting and boiling point? 
Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 24

Check the correct statements about carbon dioxide.

Select one or more:
 Correct
 Correct
 Correct
 Correct

 

Explanation

Your content goes here...

 

Question 25

Calculate the new freezing point for a 1.44 m solution of CCl4 in benzene.

Correct

 

Explanation

Your content goes here...

 

Question 26

Calculate the increase in the boiling point, ΔT, for a 1.48 m solution of sucrose (dissolves as a molecule) in water.
Correct

 

Explanation

Your content goes here...

 

Question 27

Which 0.06 m aqueous solution should have the greatest increase in boiling point?
Select one:
 Correct

 

Explanation

Your content goes here...

 

Question 28

A strong acid is spilled on your hands. Which procedure works best?

Select one:
 Correct

 

Explanation

Your content goes here...

 

Question 29

What is the correct procedure for mixing an acid and water and why?

Select one:
 Correct

 

Explanation

Your content goes here...


Comments