What are supper heavy elements?

What is super heavy water ?

name two water pollution related diseases caused by heavy elements

Name two water pollution related diseases caused by heavy elements.

Natural radioactivity is found in heavy elements only. Explain.

In Rutherford experiment if light atoms used instead of heavy elements than what change is observed in results ?

Assertion: Electron capture occurs more often than positron emission in heavy elements. Reason: Heavy elements exibits radioactivity.

Electron capture occurs more often than positron emission in heavy elements. Heavy elements exhibit radioactivity.

Electron capture occurs more often than positron emission in heavy elements. Heavy elements exhibit radioactivity.