Search results for “les cations”

08 Salt formulas

The formulas of the salts represent ratio formulas. It describes the ratio of cations to anions. Here it is explained how to arrive at these ratios and how salt formulas can be established as a result. The naming is more of a minor matter here. Original: "Wolfgang Dukorn" Original: German. All tra

08 Salt formation from the elements

Sodium reacts with chlorine to form a white salt, sodium chloride. An ionic bond of cations and anions is formed. It is explained how the PSE helps to determine the charges of the ions and to establish the ratio formula from them. Original: "Wolfgang Dukorn" Original: German. All translations in t

Dark Medicine – Semmelweis

Today, medicine is seen as an authority and a sacred institution. But like any institution, it has a dark past. The story of Dr. Ignaz Semmelweis shows how medicine was terribly wrong and how the poor judgment of the doctors cost many women their lives. In 19th-century Vienna, the young doctor was r