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

question 63

Multiple Choice

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

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