Which stays the same during chemical reactions a the overall types of atoms only b the overall numbers of atoms c both the overall types and numbers of atoms d neither the overall types or numbers of atoms

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.

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock