Amedeo Avogadro
Seg Wikipedia
Amedeo Avogadro d amussnagamaw, amussakura aṭelyani, I d-yefkan turda ttwassnen s yisem alugen n Avogadro.
Ilul di Turin, di tazwara yeɣra akken ad d-yeffeɣ d abuga?u. Maca netta ittwet (Yettwalleh) ɣef tussnakt d tussagama.
Seg usseggwas n 1820, yuɣ amḍiq d aselmad n tussnagama di tesdawit n Turin. Iqdec ɣef trisiti d tferkiwin n uḥluli, ittwassen ɣef leqdic-is I d-yewwi daɣen ɣef lgaz.
Deg usseggwas 1911, Avogadro ifka-d alugen-a: sin wabelɣen n lgaz, yemsawan s tezɣelt d tuẓẓma), ɣur-sen yiwen wazal n molécules. Ilmend-is ifkan isem amḍan n Avogadro N = 6,023 . 1023, d amḍan n "les molécules" yellan deg tmulett (mole).