Kujenga chembe nje protons, neutrons na elektroni, na kuona jinsi elementi,…
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Atomi yote ya kipengele ni sawa? Je, unawezaje kuwaambia Isotopi moja kutoka…
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Tous les atomes d'un élément sont-ils identiques?
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Are all atoms of an element the same? How can you tell one isotope from another?
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Construisez un atome de protons, de neutrons et d'électrons, et voyez comment l…
LAB
Build an atom out of protons, neutrons, and electrons, and see how the element…
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