A. You want to produce 15.0 g of Fe. How many grams of Fe2O3 must be used? b. How many grams of Al must be used?
c. How many grams of Al2O3 will be produced?

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid

Hello.the answer is  hydrosphere, geosphere, and biosphere  have a nice day

Answer(2) electrons;