On the shoulders of giants

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Click on Metalloids to answer these questions.

a. On your periodic table, draw the black stair-step line that distinguishes metals from nonmetals. This line is drawn from between Boron and Aluminum to the border between Polonium and Astatine

b. Metalloids have properties of both _metals_______ and _____non-metals________.

c. Define semiconductor ____ metalloids, such as silicon and germanium


d. Name two metalloids that are semi-conductors. _silicon__and _______germanium___.

e. This property makes metalloids useful in __ computers and calculators


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