Answer :
Which nuclear emission has the greatest mass and the least penetrating power?(1) an alpha particle
The nuclear emission that can be considered having least penetrating power as well as greatest mass as regards this question is (1) an alpha particle .
- Radioactive atoms can be regarded as one having energy which is been released out spontaneously, and this do come inform of energetic subatomic particles.
- Among the given option, alpha particle has the greatest mass having a mass of 4 amu , and with least penetration power because even thick sheet of paper can stop it compare to beta and neuron.
Therefore, option 1, is correct.
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