As a result, there is no universally accepted definition of metalloids. Some researchers argue that Polonium exhibits more metallic properties, while Astatine demonstrates more nonmetallic characteristics similar to the halogens. Because polonium and astatine also show some characteristics of metalloids.Īre Polonium and Astatine considered metalloids? The classification of Polonium and Astatine as metalloids is a topic of debate among researchers. There are 6 commonly known metalloids on the periodic table.īut this is not completely true. How many metalloids are on the periodic table? These elements are important in a variety of industries, including electronics, where they are used to create semiconductors and other electronic components.
Additionally, they can form covalent bonds like nonmetals, but may also form ionic bonds with metals. They also have some metallic luster and can be ductile and malleable, but not as much as pure metals. For example, they can conduct electricity to some extent, like metals, but they are not as good conductors as metals. Metalloids have characteristics of both metals and nonmetals. The metalloids include boron, silicon, germanium, arsenic, antimony, and tellurium. They are also sometimes referred to as “semi-metals”. Metalloids are a group of elements in the periodic table that have intermediate properties between metals and nonmetals.
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