Multiple choice

Most commonly used pentavalent material in a semiconductor is ________.

  1. neon

  2. carbon

  3. boron

  4. gallium

  5. arsenic

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

Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in conjunction with sulhur and metals, and also as a pure elemental crystal.