The substance formed when covalent bonds unite atoms is called _.

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h