200分求一道物理题,求懂英文的高手来帮下忙
问题描述：
200分求一道物理题,求懂英文的高手来帮下忙
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=
答
汞（Hg）
Atomic number=80
Mass number=202