Question and answer
positron
Question
Asked 2/28/2016 7:46:22 AM
Updated 2/28/2016 8:56:16 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [2/28/2016 8:56:13 AM]
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User: positron

Weegy: The positron or anti-electron is the antiparticle or the antimatter counterpart of the electron. The positron has an electric charge of +1e, a spin of , and has the same mass as an electron. When a low-energy positron collides with a low-energy electron, annihilation occurs, resulting in the production of two or more gamma ray photons (see electron positron annihilation).



User: alpha

Weegy: Alpha is the first letter of the Greek alphabet.



User: Beta particles cannot penetrate very far into solids because they:

Weegy: Beta particles cannot penetrate very far into solids because they have negligible mass.



User: Why can gamma rays pass through or penetrate solids?

Question
Asked 2/28/2016 7:46:22 AM
Updated 2/28/2016 8:56:16 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [2/28/2016 8:56:13 AM]
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