Based on the Lewis structure (electron dot diagram) below, what is the best description of the covalent bonds that exist in dichloromethane?

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate