Analyze the polarity of the following molecules: CH4
NH3
H2O
HCl
BF3

Make sure you include ALL of the following in your analysis of each of the above molecules:

+Lewis structure of the elements in the molecule.
+Lewis structure of the molecule.
+VSEPR Molecular Geometry.
+VSEPR Electron geometry.

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp