indicate whether each of the species fulfills the octet rule, explain your answers, a) a magnesium nucleus surrounded by 10 electrons b) a phosphorus ion c) an argon atom​

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

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?

Answer explain why it is not possible to deduce a complete order of reactivity.