Information and Communication Technology (ICT) is an extended term for information technology (IT) which stresses the role of unified communications and the integration of telecommunications (telephone lines and wireless signals), computers as well as necessary enterprise software, middleware, storage, and audio-visual systems, which enable users to ...
  No. Radon is a colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce â¦ neutrons for research.Its most stable isotope is Rn 222 with a half-life of 3.82 days.adon is a common byproduct of the decay of radioactive elements like radium and uranium present in Earth's crust. Until recently it was used in radiation treatment for cancer â¦ , and is still used in Geiger counters.
It reduces nitrogen oxides in exhaust gases. Rhodium is also used as catalysts in the chemical industry, for making nitric acid, acetic acid and hydrogenation reactions. It is used to coat optic fibres and optical mirrors, and for crucibles, thermocouple elements and headlight reflectors. It is used as an electrical contact material as it has a low electrical resistance and is highly resistant to corrosion. Biological role. Rhodium has no known biological role.