E. Milligram is the correct answer.
8 because all elements after nitrogen have not only two energy levels, they also find it easier to just get rid of electrons than to absorb electrons to get to 8 electrons.
115 - 40 = 75
Because 115 is the total and your getting rid of the 40 other degrees in the 115
Answer: 36 
Step-by-step explanation: I took the test and the person that answered 6 is wrong because it's not even on the test :T