After James Chadwick discovered the neutron, atomic theory expanded to include isotopes. Isotopes have many practical uses. For example, scientists use the relative amount of carbon-12 to carbon-14 in ancient bones to determine how old they are. How many neutrons are in an atom of Carbon-147 A 2 B 6 C 8 D 14
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After James Chadwick discovered the neutron, atomic theory expanded to include isotopes. Isotopes ha...
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