You need to prepare an 820. ml of a 1.500M solution of sulfuric acid (H2SO4). If the stock bottle has a molarity of 18.0M, how much of the stock solution is required?

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom