An electric mixer, mixing a batter to make a cake would undergo which energy transformation? A.) Sound to Mechanical to Chemical
B.) Electrical to Thermal to Chemical
C.) Electrical to Mechanical to Sound
D.) Electrical to Sound to Chemical

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.

Compare and contrast physical changes with chemical changes.

Stage in which a star’s outer layers have started to cool and grow outward?