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After light passes through the pupil, it then passes through the ___________.

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Which of the following is located in the sub arachnoid space?

 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?