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Question

Of the following pairs, the one containing examples of metalloid elements in the periodic table is :

A
Na and K
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B
F and CI
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C
Cu and Ag
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D
As and Sb
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Solution

The correct option is C As and Sb
Metalloids are the elements found along the stair-step line that distinguishes metals from non-metals. This line is drawn from between Boron and Aluminum to the border between Polonium and Astatine.

The only exception to this is Aluminum, which is classified under Other Metals

So, As and Sb are Metalloid elements.
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