For each of the following sets of elements, identify the element expected to be most electronegative and that expected to be least electronegative.

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.

What are the first three quantum numbers for the electrons located in subshell 2s?

Why do electrons further from the nucleus have more energy