link to Chemistry gateway, which contain links to videos about various chemistry concepts - you'll have to find the relevant specific link(s) to do this assignment.

on a sheet of paper, (i) answer the below questions based on your textbook and the above video link, (ii) include textbook page number(s) and url of the website (or sequence of links starting from the above link), where you found the answer, and (iii) include the names of all group members and identify the recorder.

topic(s): vsepr

questions [16 points; 2 points / question]

1. what does the acronym, vsepr, stand for ? what is vsepr used for ?

2. what is the basis of vsepr ? what is the prerequisite to using vsepr ?

3. based on your prior phet - vsepr assignment, in regards to ___ (select the Real molecules module & "Real" radio button); what is the bond angle ? rationalize why the bond angle is not ___ ?

a. CO2; 45°, 90°, or 120°

b. CH4; 90°

c. BF3; 90° & 180°

4. based on your prior phet - vsepr assignment, compare the bond angles between ___ (select the Real molecules module & "Real" radio button) ; what is the effect of a lone pair(s) (or "nonbonding pair of electrons") on the shape of a molecule and bond angles in the molecule ?

a. CH4

b. NH3

c. H2O

rationalize your observations.