What is the symbol for the isotope of 65zn that possesses 37 neutrons?

Zinc has an atomic number of 30, so his is element number 30. The notation for isotopes is the symbol of the element with a superscript and a subscript that are aligned. The superscript represents the mass number.

Mass number = protons + neutrons = 30 + 37 = 67

The subscript is the atomic number which is 30. The notation is written in the picture attached.

I'm not sure but i will try to find out

C, small, hard spheres with insignificant volumes