1. Write a balanced equation for the precipitation of calcium carbonate from potassium carbonate and calcium chloride.

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Which statement describes james chadwick’s discovery.