Blog

 Given the electronegativities below, which covalent single bond is most polar?                Element:        H         C         N         O Electronegativity:       2.1       2.5       3.0       3.5 

On the phase diagram shown above, the coordinates of point B correspond to the ________.

The ________ ion has eight valence electrons.

How many sigma and pi bonds are in the molecule below?  

The molecular geometry consists of ________.              a) a nonbonding pair of electrons              b) a single bond              c) a multiple bond

BONUS (Optional): Which one of the following elements is paramagnetic in its ground state? TELL ME HOW YOU KNOW (2 POINTS)    

What type(s) of intermolecular forces exist between Cl2 and CCl4? 

What is the hybridization of the carbon atom attached to the two oxygen atoms in the structure below?  

BONUS (Optional): Which molecule has the lowest boiling point? TELL ME HOW YOU KNOW. (2 Points)

BONUS (Optional): The molecular geometry of the CHF3 molecule is ________, and the molecule is ________. DRAW THE LEWIS STRUCTURE TO SUPPORT YOUR ANSWER.  (2 POINTS)