Los metaloides son conocidos también como semimetales, y son aquellos elementos químicos que poseen propiedades intermedias entre los metales y no metales.
Son 7 los metaloides en la tabla periódica: boro, silicio, germanio, arsénico, antimonio, telurio y polonio.
Propiedades de los metaloides
- Presentan un comportamiento intermedio entre metales y no metales.
- En su mayoría, tienden a reaccionar químicamente con no metales, a excepción del compuesto boruro de magnesio.
- Son mejores conductores de calor y electricidad que los no metales, pero no tan buenos conductores como los metales.
- Pueden presentar brillo (como los metales) o ser opacos (como los no metales).
- Son frágiles y su forma cambia fácilmente.
- No son maleables.
- Se contraen cuando se funden.
Pingback: Tips para aprender la tabla periódica y no fallar en el intento - Química en casa.com
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