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Metalloids are curious elements that show a mix of properties of metals and non-metals. In general it would be fair to say that a metalloid may behave as a semiconductor and they have a tendancy to form amphoteric oxides.

One of the problems classifying metalloids is that different allotropes of elements may display different properties i.e: some may lean twords more metallic characteristics and some may lean twords non-metal characteristics such as some allotropes of carbon(graphite vs diamond).

The elements generally regarded as metalloids form a sort of "stairs" on the Periodic Table, these are: Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium and Polonium.

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15y ago

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