Determine what elements are denoted by the following electron configurations: ( just said 11,12,13,14 and 15)

Answerhave membrane-bound organelles;

If this is a true or galse then its true but if not then what is the question?

It starts to rust i think

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.