How many elements are there?
How many elements on the periodic table are liquids?
How many elements are gases?
Which element is the lightest?
Which element is the heaviest?
How many elements are radioactive?
Most elements on the periodic table are:
Silicon is a semi-conductor and is a key component in computer processors. It is also a metalloid. Knowing what metals and nonmetals are, what do you think a metalloid is? How might being a metalloid be useful for a computer processor?