question_answer

This new-comer to the periodic table first reported in 2003, is a chemical element with atomic number 113.It is a completely synthetic element (not to be found in nature) and is extremely radioactive. Its most stable known isotope has a half-life of Just 20 seconds. Name the element.                       

A)  Nihonium                     

B)         Oganesson                

C)                     Tennessine           

D)         Moscovium