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Endeleev saw trends in the physical and chemical properties of elements when he organized them by
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction
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What are sand grains, pebbles, mud, shells, and leaves all examples of...
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