Can an extended structure be made up of many molecules?
PLEASE HELP ME

Yes

Explanation:

The unit is repeated in the same arrangement over and over throughout the entire pure substance. These extended structures are different from molecules and can be compounds or elements. For example, table salt has an extended structure that is made up of two types of atoms, sodium and chlorine.

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.