Answer the following question given this paragraph: Most metalloids have some physical properties of metals and some physical properties of nonmetals. They fall between metals and nonmetals in their ability to conduct heat and electricity. They are shiny like metals but brittle like nonmetals. All exist as solids at room temperature. Q: What is an example of a metaloid element? A:

Select from the following.
(1). argon;
(2). chlorine;
(3). fluorine;
(4). silicon;
Answer:
(4).