When an atom absorbs energy A) there is an explosion.

B) one or more electrons will move to a lower energy orbit

C) one or more electrons will move to a higher energy orbit

D) colored light is produced.

Which best describes why nh4+ can form an ionic bond with cl-?

Which of the following units is not an official si unit

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.