Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is

This is because carbone dioxyde is composed of more than just an atom of carbon , it’s composed of 2 atoms of oxygen and one atom of carbon .

* I hope it was helpful , good luck :) *

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.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.