An synthetic element has 116 protons in its nucleus. find a place in the modern table and element it, may resemble in properties from the following: i) 55cs ii) 84po iii) 86ra iv) element with 115 protons

Last element with 11 protons (atomic number) is present in the seventh period and eighteenth group. The given element is two protons less and so, will be in the same seventh period but sixteenth group. Sixteenth group contains elements of oxygen, Sulphur, selenium, and Polonium with atomic number 84. The given element hence will have similar properties to polonium.