0 a chemical element with some of the properties of a metal and some of a non-metal, for example silicon and arsenic -- 類金屬（擁有部分金屬特性，部分非金屬特性的化學元素，如矽和砷）
It is not certain whether polonium is a metal or a metalloid.
Germanium is usually considered to be a metalloid rather than a metal.
The greater propriety of applying the word metalloid to other elements, such as arsenic, had been considered.
Everything from the left to the metalloid stairstep is a metal, and everything to the right is a nonmetal.
Astatine is commonly regarded as a nonmetal, less commonly as a metalloid and occasionally as a metal.
Astatine, which is usually classified as a nonmetal or a metalloid, has been predicted to have a metallic crystalline structure.
Also, some allotropes of selenium display characteristics of a metalloid, even though selenium is usually considered a nonmetal.
A brittle, mildly toxic, rare, silver-white metalloid which looks similar to tin, tellurium is chemically related to selenium and sulfur.
