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Question

Question 20
Three elements B, Si and Ge are

(a) metals
(b) non-metals
(c) metalloids
(d) metal, non-metal and metalloid respectively

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Solution

Option (c) is correct.
The metalloids; Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te), Polonium (Po) and Astatine (At) are the elements found along the step like line between metals and non-metals of the Periodic table. Metalloids exhibit few properties similar to both metals and nonmetals.


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