This is lettle alchemy 2, I need a life, and I got all this in 2 days, more like 16 hours

How much work would be needed to raise the payload from the surface of the moon (i. e., x = r) to an altitude of 5r miles above the surface of the moon (i. e., x = 6r)?

Properties seen when one one substance changes to another are known as properties

How do you know how many valence electrons an atom has?