Which of these molecules or ions exhibit resonance? drag each item to the appropriate bin?

passing a magnet thought the

mixture , because iron gets attracted to magnet .

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.