What mass of hydrogen gas is produced when 13.2 mol Na reacts with excess water?

Consider this initial-rate data at a certain temperature for the reaction described by

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

What best discribes the relationship between wavelength and frequency in a electromagnetic wave