Suppose you have 100 kg of fresh strawberries what would be the approximate mass of strawberries after you freeze dry them

You would have the same amount, the density will change, not the mass

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.