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Please help me!!!!!!!it is about elements on the periodic table. Please help!!!!!
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Please help me!!!!!!!it is about elements on the periodic table. Please help!!!!!

Please help me!!!!!!!it is about elements on the periodic table. Please help!!!!!-example-1
User Mark Turansky
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Answer:

a\c enables the protons so therefore we duplicate the neutrons making for the first one 80 squared then subtracted by 201 and then do that for all

User Simone Pistecchia
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