You are provided with a sample of pure Osmium-186 (186Os), a radioactive nuclide.   a. How many neutrons are there in a single nucleus of Osmium-186?     b. Give the symbol for the most common naturally occurring isotope for Osmium.   c. Give the symbols for two isotones for Osmium-186.   d. Determine the binding energy of a single Osmium-186 nucleus in units of MeV.

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A: Given that:Mo=100 kgT12=4.4 days  (as per wiki)M=234.043 g