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The particle that is unstable in free space is: A) electron B) neutron C) Proton D) Positron

The particle that is unstable in free space is: 
A) electron
B) neutron
C) Proton 
D) Positron

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
Free neutrons are unstable particles which decay naturally into a proton and electron, with a half-life of about 12 minutes. neutron decays. The nominal mass of an atom of an element is measured by the sum of the protons and neutrons in it.

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