How many moles are in 3.3 x 10^22 molecules of chlorine?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which of the following units is not an official si unit