THINK ABOUT IT… A scientist has an 8g sample of radium. How many grams of the sample will decay in 800 years if the half-life is 1600 years? Read it carefully...a full half-life hasn’t passed yet! Don’t forget to label your units - g!

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