Which element has a greater
ionization energy Manganese (Mn) or Selenium (Se)?

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]

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

What is the main reason why some developing countries fear the increase the free trade policies around the world?