1. Starting Material: Natural cobalt (Cobalt-59) is used as the starting material. This is a stable isotope.
2. Neutron Bombardment: The cobalt-59 is placed in a nuclear reactor where it is bombarded with neutrons.
3. Nuclear Reaction: A neutron is absorbed by the cobalt-59 nucleus. This changes the nucleus into cobalt-60, which is unstable.
4. Radioactive Decay: Cobalt-60 undergoes radioactive decay, emitting beta particles (electrons) and gamma rays. This process transforms cobalt-60 into a stable isotope of nickel (Nickel-60).
The equation for this process is:
⁵⁹Co + ⁿ¹n → ⁶⁰Co → ⁶⁰Ni + ⁻¹⁰e + γ
Here's a breakdown of the equation:
* ⁵⁹Co represents the cobalt-59 nucleus, which has 27 protons and 32 neutrons.
* ⁿ¹n represents the neutron being absorbed.
* ⁶⁰Co represents the unstable cobalt-60 nucleus, which has 27 protons and 33 neutrons.
* ⁶⁰Ni represents the stable nickel-60 nucleus, which has 28 protons and 32 neutrons.
* ⁻¹⁰e represents the beta particle (electron) emitted during the decay.
* γ represents the gamma rays emitted during the decay.
Important Note:
The production of cobalt-60 is a controlled process that takes place in nuclear reactors under strict safety regulations. Cobalt-60 is a powerful source of gamma radiation and is used in various applications, including medical treatments, industrial radiography, and food irradiation.