Which sequence correctly ranks elements from largest to smallest atomic radius?

Br, As, K

Cs, Ba, At

F, S, As

Mg, Ca, Ba

Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?

What is the lowest number energy level where a d sublevel is found

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.