Which measurements are needed in order to calculate the density of a given object? a. length and width b. mass and weight c. volume and temperature d. mass and volume

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.

What will most likely happen when two bromine atoms bond together?

The fact that the total amount of energy in a system remains constant is a(n)