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What are metalloids or semi-metallic ele...

What are metalloids or semi-metallic elements ? Give examples.

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Elements which possess properties of both metals and non-metals are known as metalloids or semi-metallic elements.
In the modern periodic table, a zig-zag line separates metals and non-metals. The borderline elements such as boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po) are known as metalloids or semi-metals.
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