Question

what is heluims wt PLZ tell

Answer 1

Helium is a chemical element with symbol .Its boiling point is the lowest among all the elements. There is no compound of helium because it has zero valency. Valency is the combining capacity to attain stability. Helium is placed in First period and 18th or zero group in Modern periodic table. Ne is used to make high voltage indicators, vacuum tube. He is used to make cool medium for LHC .