A. Use enthalpies of formation to determine the AHreaction for the reaction CaCl2(s) → CaCl2(aq)

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

Using the periodic table, complete the table to describe each atom. type in your answers