How many moles of H2 are needed to produce 25 mol of NH3? N2 + 3H2=2NH3

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.