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Which of the following statements correctly describes a nucleus with the symbol ? A. It is the nucleus of a cobalt atom with eight protons and six neutrons. B. It is the nucleus of a carbon atom with eight protons and six neutrons. C. It is the nucleus of a carbon atom with six protons and eight neutrons. D. It is the nucleus of a carbon atom with six protons and fourteen neutrons.
In alpha decay , an alpha particle is emitted which is a helium atom. In an alpha decay, there will be change in mass number and atomic number and a new element is produced.
In beta decay, an electron or positron is emitted. There will not be any change in the mass number but there will be a change in the atomic number.
In gamma decay, there will be no change in the mass number or the atomic number. A photon is emitted. Gamma decay is undergone by a nucleus which is in excited state.
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