Which electronic transition in a hydrogen atom is associated with the largest emission of energy?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged