Write an equation for the major chemical reaction which took place in the crucible when magnesium ribbon was heated

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa