1. Quelle est la composition du noyau atomique ?
2. Selon PERROUX (2000), quelle est la masse approximative d’un proton ?
3. Quel est le rôle principal des noyaux isotopes dans la recherche scientifique et la médecine ?
Noyau atomique — composition ?
Protons et neutrons constituaient le noyau.
Proton — charge ?
+e = 1,6×10⁻¹⁹ C.
Neutron — charge ?
Neutre, charge 0.
Notation XA_Z — rôle ?
Identifier précisément un noyau.
Relation A, Z, N — formule ?
N = A – Z.
Nucléons — types ?
Protons et neutrons.
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