Multiple choice

Boron and Silicon are elements that

  1. may have both properties of metals and non metals

  2. always conduct electricity

  3. are brittle and ductile at the same time

  4. are malleable and high in luster

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Boron and Silicon are metalloids, which are elements that exhibit properties intermediate between metals and nonmetals.