An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 ev. what is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1?

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

Which of the following units is not an official si unit

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number