The surface temperature of a white dwarf is higher than a red supergiant. True or False

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

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.