100 POINTS Watch the U-Tube video: “The Genius of Mendeleev’s Periodic Table”
After watching:
Use at least 5 sentences to describe the “genius” of Mendeleev in the development of the Periodic Table of Elements

How air particles exert a pressure on the inside of the balloon

Which substance has non polar covalent bonds

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