Find the number of moles occupied by 1.84 X1022 molecules of CO2 gas at STP.

it's c. elements are placed in rows based on how may valencies electrons have.

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.