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Calculate The Number of The Protons, Neutrons and Electrons
- 7Li
- 13C
- 235U
- 7Li2+
- 82Br–
Lösung: - When Lithium as Name of the item defined is, This is it. That's right. This automatically 3 Protons. Or Other said: something . with three Protons must Lithium heated, It doesn 't matter . How many Neutrons and Electrons of which: are. From The mass number (Nucleus = Nuclear energy = Protons and Neutrons) Right now. 7 is given The Commission This means that The Number of Neutrons Right now. 4. (3 + x = 7). There you go. This Elements Neutral is (on top on the right next to to the Symbol of the element No Loading and This means that Neutral) is given The Commission The Number of The Electrons = 3.
- 13C: 6p, 7n, 6e–
- 235U: 92p, 143n, 92e–
- 7Li2+: 3p, 4n, 1e–
- 82Br–: 35p, 47n, 36e–
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