When can a hypothesis be elevated to the status of a theory?

What is the formula for the molecular compound nitrogen monoxide

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?