Question

which is likely to be the most common isotope of cobalt? -- the image below is the mass spectrum for which element? --

Answer 1

The most common isotope of cobalt is cobalt-59.

Step-by-step explanation:

The most common isotope of cobalt is cobalt-59. Cobalt-59 has 27 protons and 32 neutrons, giving it a mass number of 59. The question mentions a mass spectrum, but without the image, it is difficult to determine which element it represents.