If an electron moves from the 5th energy level to the 3rd energy level what type of energy is emitted?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?