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Question
When a radioactive nucleus emits a β- particle, the proton-neutron ratio:
When a radioactive nucleus emits a β- particle, the proton-neutron ratio:
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Solution
The correct option is B increases
When the neutron to proton ratio in the nucleus is too great
a beta particle is emitted. In basic beta decay a neutron is transformed into a
proton and an electron. The electron is then emitted as a beta particle which
increases the atomic number by one and the molar mass is unchanged.
Hence, the proton- neutron ratio increase.
When the neutron to proton ratio in the nucleus is too great a beta particle is emitted. In basic beta decay a neutron is transformed into a proton and an electron. The electron is then emitted as a beta particle which increases the atomic number by one and the molar mass is unchanged.
Hence, the proton- neutron ratio increase.
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