Among metals which is the only conductor of electricity ?

Lavoisier classified the elements in the year :

Who proposed periodic table ?

Who was the person who grouped three elements and termed as triad ?

Which is the heaviest metal ?

Newland's classification of elements is termed as :

In Mendeleev's periodic table, all the elements are sorted in the periodic functions of their :

Among the following which is a coinage metal ?

Among the following which one is a inert gas ?

Name the metal which is liquid in room temperature ?