Material Science: not....well, you saying metal science, or you mean the Periodic Table its your investment money? There are gas in it, meaning elements you define, elemental. You forgotton your general chem? Melting point, and boiling point to define some quality?

Ice, water, vapor?

Because...they form??? whichever orbital theory its to define a definite binding structure, these structure the firm, the strong hold, you are.....meaning a sheet of gold, a brick of gold, heavy and dense in your hands, in your bank Federal Reserved, you will never vanish a gold block, saying gaserous? Testing the material science? Something you wave, disappear? Dissipate? Can you listen to yourself?