Which species contains the lowest number of electrons

Gymnast always perform on padded mats. how does the mats protect the gymnast

What is the molar mass of potassium nitrate, kno3

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