Considérez l'atome Zr Combien d'électrons de valence : \( \square \) Combien d'électrons de coeur : \( \square \) Combien d'électrons ont pour nombre quantique \( n=4 \) : \( \square \) Combien d'électrons ont pour nombre quantique \( l=2 \) : \( \square \)
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Zirconium (Zr) has an atomic number of 40, which means it has 40 protons and, in a neutral atom, 40 electrons. Show more…
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