What pair of elements would have the most similar properties based on their locations on the periodic table?

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))

I'm sorry i cant you if you don't list the elements : (