Why is it impossible for an electron to have the quantum numbers n = 3, l = 0, ml = 1, ms = + 1/2 ? Plzz helpp

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

ok whats the question if not i cannot you i need question and need a thing to answer