A student is building an electrical circuit. Which material should she choose for the wires, and why?
O A. A metal such as copper, because its atoms have very mobile
electrons
O B. A metalloid such as germanium, because only some of its atoms
have mobile electrons
O c. A noble gas such as krypton, because its atoms are far apart and
it is nearly inert
O D. A nonmetal such as carbon, because its atoms have tightly bound
electrons