How do ions form?please

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

C3h8o3 - glycerol major species present when dissolved in water