The correct formula for compound formed from b and s is?

a. bs
b. b2s2
c. b2s3
d. b3s4
e. bs3

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.