Abeaker contains two liquids, water and carbon tetrachloride. which liquid is floating on top?

Water, it is less dense than carbon tetrachloride

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.

elements make up everything, and they combine to make compounds.

the answer is c