How do zombie stars relate to cosmic events and how do they relate to matter

What is the number of atoms in 3.54 mol s

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

Amixture with the same composition throughout is!