What is carbon -12 scale

What is the mass of 4 molecules of co2

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers