How does the type of bonds present in a substance influence the chemical and physical properties of that substance?

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)