Oxidation-reduction reactions a. must include oxygen. b. can include an atom or ion being reduced without an atom or ion being oxidized. c. do not need to have both an oxidation and a reduction reaction. d. must include a transfer of electrons from one atom or ion to another.

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

What diagram shows the ionic compound of magnesium oxide

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.