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OpenStudy (mtalhahassan2):
Need help!! which type of radioactive decay emits a particle that can penetrate a few centimeters of lead? a) beta-negative decay b) gamma decay c)beta-positive decay d) alpha decay
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OpenStudy (taramgrant0543664):
I would say gamma decay as the rays are able to penetrate many kinds of materials.
OpenStudy (mtalhahassan2):
Are you sure na
OpenStudy (anonymous):
yes she is right
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