The element silicon has a melting point of 1,410°C and a boiling point of 2,355°C. It is a weak conductor of electricity, its density is 2.3 grams per cubic centimeter and it easily forms silicon dioxide when exposed to air. Which of the following is a chemical property of silicon?
A)its ability to conduct electricity
B)its density
C)its melting point
D)its ability to react with oxygen to form silicon dioxide
E)C and D

Question

Quizplus · Accepted Answer

A chemical property is a characteristic that describes how a substance changes its chemical composition when reacting with other substances. Silicon's ability to react with oxygen to form silicon dioxide is a chemical property. The other options describe physical properties of silicon.

The Element Silicon Has a Melting Point of 1,410°C and a Boiling