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[理學(xué)]c3-group1-alkali-metals-展示頁

2025-01-28 14:39本頁面
  

【正文】 al ratesn . (Li) = 186。CThe industrial synthesis of NaOHTypical reactions for alkali metalsSpecies of dioxygenspecies Bond orderν(OO)/cm1 d(OO)/197。Cn K . 766 186。MgCl2 p265 biological aspectsLiNaKRbCsFrns1 Generalization alkali metals (Ⅰ A): ns1鋰   lithium鈉   sodium鉀  potassium銣  rubidium銫  cesium鈁  franciumalkaline earth metals (Ⅱ A): ns2鈹   beryllium鎂  magnesium鈣    calcium鍶   strontium鋇    barium鐳    radium原子半徑增大金屬性、還原性增強電離能、電負性減小原子半徑減小 金屬性、還原性減弱 電離能、電負性增大Metallic luster, low density, low hardness, low mp., good electric and thermal conductivity. Weaker metallic bond.Properties of simple substancesOccurrencen Na: rock salt (NaCl) seawater sylvinite (KCl/NaCl) borax (Na2[B4O5(OH)4]Group 1 elementsAlkali metals (IA)Assigned reading materialsRaynerDIC p245267。 p156158Optional reading materialsRaynerDIC p253 lithium batteries。8H2O) 硼砂 Chile saltpetre (NaNO3) 硝石n K: sylvite (KCl) seawater sylvinite (KCl/
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