define following a. atom, b. isotope , c. atomic number, d. atomic mass number , e. moderate in nuclear reacter
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atom - constituents of matter
isotope - same atomic number differnt in mass
atomic number = no of protons
atomic mass = weight of an atom
isotope - same atomic number differnt in mass
atomic number = no of protons
atomic mass = weight of an atom
prajayshinde:
thnx
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