Question

which are the soft metals and which are hard merals.

Answer 1

the metal which are soft in nature are called soft metal and the metal which are hard in nature are called hard metal

Answer 2

hard metals are the metals  with relatively high densities, atomic weights, or atomic numbers. example - iron , cobalt , zinc , indium . etc....

soft metals are the metals that can be cut into pieces by the knife .
example - potassium , sodium , lithium, gold , . etc...

   hope this helps u........