Which fraction of an original 20.00-gram sample of nitrogen-16 remains unchanged after 35.65 seconds?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Which factor is likely to impact the possible number of compounds ?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?