Which element has the greatest average atomic mass? iodine bromine tellurium krypton

Tellurium is the element having highest atomic mass.

Tellurium is the element has the greatest average atomic mass followed by iodine, krypton and bromine. The atomic mass of Tellurium is 127.6 u, the atomic mass of iodine is 126.9 u, the atomic mass of krypton is 83.8 u and the atomic mass of bromine is 79.9 u so on the basis of given data we can say that tellurium is the element that has the highest atomic mass or mass number.

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The answer is C. Tellurium.

Explanation: If you look at the periodic table, tellurium is shown to have the greatest atomic mass. It is calculated easily. The answer is right on edge 2020.