semi-metals (metalloids)![click to hear](/images/speaker.jpg)
Nonmetallic elements that are lusterless and solid; they possess a certain amount of electric and thermal conductivity.
tellurium ![click to hear](/images/speaker.jpg)
Rare semimetal that is used especially in the manufacture of detonators, electric resistors, rubber, ceramics and glass.
antimony ![click to hear](/images/speaker.jpg)
Semimetal that is used in several alloys (mostly with lead) and especially in making metal for printing type and semiconductors.
selenium ![click to hear](/images/speaker.jpg)
Semimetal that is usually used in photoelectric cells and semiconductors; it is an indispensable trace element for organisms.
arsenic ![click to hear](/images/speaker.jpg)
Toxic semimetal that is used especially in very low doses for therapeutic uses and in the manufacture of semiconductors.
germanium ![click to hear](/images/speaker.jpg)
Rare semimetal that is used especially in the manufacture of electronic devices and in optical equipment (camera and microscope lenses).
silicon ![click to hear](/images/speaker.jpg)
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](/images/speaker.jpg)
Semimetal that is used especially as a neutron absorber in nuclear reactors, as a rocket fuel and in detergents.