In the reaction of calcium with chlorine, which atom is oxidized? A. calcium
B. chlorine
C. both A and B
D. neither A nor B

Wind is related tot he movement or warm cold air masses which kind of heat transfer does this represent

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.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?