Which element has the electron configuration 1s22s22p63s23p3? a. scandium b. arsenic c. phosphorus d. krypton

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.

answersilicon (si); oxygen (o);