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Biology 6 Online
OpenStudy (anonymous):

1. Which subatomis particle has a negitive change? A. electron B. alpha particle C. neutron D. proton 2. The number of protons is one atom of an element is that element 's? a. mass number b. balanced charge c. atomic number d. isotope

OpenStudy (anonymous):

1.c

OpenStudy (anonymous):

2.c

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