What are the major types of a chemical compound

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.

How to convert a density of 0.791g/cm3 to lb/ft3

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?