Examlex
What is a mining technique in which shallow mineral deposits are removed by surface mining and involves the removal of vegetation,soil,and rock overlying a mineral deposit?
Cesium-137
A radioactive isotope of cesium with a half-life of about 30.17 years, commonly used in medical applications and industrial gauges.
Gamma Ray Emission
A type of radioactive decay where an unstable nucleus emits a gamma ray to become more stable.
Beta Particle Emission
A radioactive decay process where an unstable atomic nucleus emits a beta particle, which is a high-speed electron or positron, as part of the transformation to a stable state.
Alpha Particle Emission
A type of radioactive decay in which an atomic nucleus releases an alpha particle (2 protons and 2 neutrons) and transforms into an atom with a mass number 4 units less and atomic number 2 units less.
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