What are the roles of physical aspects in human health

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude