ICSE Class 10 Answered
Which of the following is unstable? Why?
1.neutron
2.proton
3.electron
4.alpha particle
Asked by arpitt682 | 17 Dec, 2019, 10:52: AM
Expert Answer
Neutron.
When an unstable nucleus contains more neutrons than protons a neutron change into a proton by emitting an electron. This emitted electron is called beta particle and process is known as beta emission.
Answered by Shiwani Sawant | 17 Dec, 2019, 06:34: PM
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