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semi-metals (metalloids) click to hear : semi-metals (metalloids)

Nonmetallic elements that are lusterless and solid; they possess a certain amount of electric and thermal conductivity.
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tellurium antimony selenium arsenic germanium silicon boron

tellurium click to hear : tellurium

Rare semimetal that is used especially in the manufacture of detonators, electric resistors, rubber, ceramics and glass.

antimony click to hear : antimony

Semimetal that is used in several alloys (mostly with lead) and especially in making metal for printing type and semiconductors.

selenium click to hear : selenium

Semimetal that is usually used in photoelectric cells and semiconductors; it is an indispensable trace element for organisms.

arsenic click to hear : arsenic

Toxic semimetal that is used especially in very low doses for therapeutic uses and in the manufacture of semiconductors.

germanium click to hear : germanium

Rare semimetal that is used especially in the manufacture of electronic devices and in optical equipment (camera and microscope lenses).

silicon click to hear : silicon

Most common element on the planet after oxygen; it is used mostly in the manufacture of electronic devices because of its semiconductor properties.

boron click to hear : boron

Semimetal that is used especially as a neutron absorber in nuclear reactors, as a rocket fuel and in detergents.