Beta Decay of Carbon-14
A neutral carbon-14 atom contains 6 protons and 8 neutrons. If the atom undergoes beta decay, which of the following describes the resulting change in its nucleus?
A
A neutron converts to a proton, resulting in 7 protons and 7 neutrons
B
A proton converts to a neutron, resulting in 5 protons and 9 neutrons
C
The nucleus ejects a proton, resulting in 5 protons and 8 neutrons
D
The nucleus remains unchanged but emits an electron
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