Question

Out of the 118 elements known to us 91 are metals, ____ are metalloids, and the rest are non-metals of which ____ are halogens, 6 are noble gases, and 7 general non-metals​

Answer 1

Explanation:

Out of the 118 elements known to us 91 are metals, __12__ are metalloids, and the rest are non-metals of which __5__ are halogens, 6 are noble gases, and 7 general non-metals.

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Answer 2

8 metalloids

Explanation:

there are mainly 8 metalloids

boron (B)

silicon (Si)

germanium (Ge)

arsenic (As)

antimony (Sb)

tellurium (Te)

polonium (Po)

astatine(At)