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

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Give the orbital configuration of the phosphorus (p) atom.

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )