In each case shown, a point charge +q is a distance d from the closest point of an uncharged metal sphere. The sphere in Case B has a larger diameter than the sphere in Case A. Three students are comparing the two cases. Which student is correct? 

The hybridization of the electron orbitals of the central atom in IOCl3 molecule is

Honorlock records a video of you taking the exam. Ms Aldrich will watch these recordings when alerted to suspicious behavior by honorlock. If there is constant looking away from the screen (which is very, very obvious), this will be considered cheating. First offense will mean a 0 on that exam, second offense is an F in the class. 

The F-N-F bond angle in the NF3 molecule is slightly less than              

Why are the melting points of ionic compounds higher than covalent compounds?

How many sigma bonds, pi bonds and nonbonding domains, respectively, can be associated with Cl in the molecule of HClO3?

The molecular geometry of the central atom in KrF4 is ________, and this molecule is_____.          

Which of the elements doesn’t have a characteristic metallic appearance?

What is the concentration of FeCl3 (MM=162.2 g/mol) in mol/L in a solution prepared by dissolving  40.0 g of FeCl3 in enough water to make 550 mL of solution? 

A 0.260kg  block of flint glass measures 55.0 mm in length, 42.0 mm in width, and 32 .0 mm in height. What is the density of the glass block in g/cm3?