Correct Answer:
Option D - Elements that have properties of both metals and non-metals are called metalloid. Metalloids often contain, Boron, Silicon, Germanium, Antimony, Arsenic, Polynium etc.
D. Elements that have properties of both metals and non-metals are called metalloid. Metalloids often contain, Boron, Silicon, Germanium, Antimony, Arsenic, Polynium etc.