Type the symbol of the alkaline earth metal with the greatest atomic mass

Explanation:

It would be at the bottom of column 2.

That makes it Radium (#88 with a mass of 226 -- Co discovered by the Curies)

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

answer; talc and gypsum;