ElementAry Quiz 1 - Comments

At the question 6 Seaborgium have two correct answers(Sg), but just one is considered correct and, infortunely I choose the "wrong one".

some of them don't make sense--uun for example. there is no other element that but uranium with a u so why not un?
by the way, how do you get rated for mensa? what is the mim iq to be a member? i have a verbal of 178 but my non-verbal isnt as strong

Too hard for me - back to chemistry!