Question

Choose the odd one out Uranium,Barium,Thorium,Radium

Answer 1

$\mathfrak{\large{\underline{\underline{Answer:-}}}}$

★Barium★

$\mathfrak{\large{\underline{\underline{Explanation:-}}}}$

All the given elements are radioactive in nature except barium which is not a radio active metal.

Radioactive Metals :- The elements which releases the radioactive waves such as alpha,betta and gama waves during their disintegration is known as radioactive elements.

While barium is a earth alkali metal lies in group 2 . Which resembles the property of metals.

Answer 2

Answer

The odd one is Barium....

Because all the elements like uranium , Thorium , Radium are Radioactive but barium is not radioactive ..