Brain Teasers
Elementary Series
What number comes next in this series?
89, 13, 95, 51, 18, 33
89, 13, 95, 51, 18, 33
Answer
85. The numbers are the atomic numbers of the chemical elements when the elements are listed in alphabetical order.Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!