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1 entries about mass number.

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m6062550g8
in physicsmatayom by physicsmatayom, 951 days ago
m6062550g8 http://sathaporn.exteen.com/20070517/name6062550 tanakorn60620 http://www.thanakorn32.th.gs/web-t/hanakorn32/index.htm http://sathaporn.exteen.c...
Tags: atom, atomic number, mass number, nucleus, photoelectric
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