Ik it's not magnesium because that was my first answer. The correct answer would be Sulfur. Sulfur is a non metal. All the other answers are good conductors of heat
Answer:
C. Mass relationships
Explanation: hope this helped
A covalent bond is the sharing of two electrons. Therefore, in a double covalent bond, where there are two covalent bonds, 4 electrons are shared. So the answer is (4)