Nuclides $^{198}_{80} ext{Hg}$ and $^{197}_{79} ext{Au}$ have the same number of neutrons but diff

Question

Nuclides $^{198}_{80}	ext{Hg}$ and $^{197}_{79}	ext{Au}$ have the same number of neutrons but different atomic numbers. Such nuclides are called:

Professor PC Thomas Classes · Answer

Nuclides with the same neutron number $N$ but different atomic number $Z$ are called isotones.