200分求一道物理題,求懂英文的高手來幫下忙

題目：

200分求一道物理題,求懂英文的高手來幫下忙
A certain isotope has 80 protons and 122 neutrons in its nucleus.Identify the element involved and find the atomic and mass numbers.
Atomic number=
Mass number=

解答：

汞（Hg）
Atomic number=80
Mass number=202