Which of the following pairs of elements are metalloids?
A
Germanium, sodium
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B
Antimony, nitrogen
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C
Tellurium, arsenic
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D
Selenium, chlorine
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Solution
The correct option is D Tellurium, arsenic The metalloid is a chemical element with properties intermediate between those of typical metals and non-metals.
The 8 metalloids present in the periodic table are Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te), Polonium (Po) and Astatine (At).