What are the attributes of altocumulus clouds?

Characteristics. A characteristic of this cloud is Coronae - one or more colored rings around the sun or moon when viewed from below the cloud. Ac comprising small, but distinctive, cumuliform clouds indicates rapidly forming mid level cloud in unstable conditions (Ac Castellanos).

Explanation:

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.