1-Tritium is radioactive isotopes of Hydrogen. 2-Tuning of radio is an example of resonance. 3-Cobalt-60 is used in Leukemia treatment

1-  Helium has the lowest boiling point of any element. 2-  Osmium is the densest element. 3-  Tungsten has the highest boiling point of all the elements. Hence, it is used for filaments in electric 4-  Cesium is used in atomic clocks. 5-  Pure silicon …