A compound contains 42.1% sodium, 18.9% phosphorus and 39% oxygen. Determine its empirical formula(show all your work).

What type of electromagnetic radiation has a shorter wavelength than blue light

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.

The arrangement of particles is most ordered in a sample of