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How many protons will there be if the atom has 3 electrons and a mass of 7 amu
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How many protons will there be if the atom has 3 electrons and a mass of 7 amu

User Anders Forsgren
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Answer:


{ \tt{mass \: number = protons + neutrons}} \\ { \tt{7 = p + 3}} \\ { \tt{p = 4}}

User Houqp
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