Answer:
(c)The elements
boron (B), silicon (Si) and germanium (Ge) are metalloids. In the periodic
table, metals have been separated from non-metals by some elements called 'metalloids'
which are placed diagonally in the periodic table. These metalloids are B, Si,
Ge, As (arsenic), Sb (antimony), Te (tellurium) and (Po) polonium.
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