If there are 30 g of Np 240 present how much will remain after 9 hrs. Np 240 has a half-life of 1.0 hr

What is the formula for the molecular compound nitrogen monoxide

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive