3) 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 react with oxygen
b) its melting point
c) its ability to conduct electricity
d) its density
e) c and d