I was very concerned by the article “Cloudy Outlook for Sunscreen Market” in the Nov. 28, 2022, issue of C&EN (page 13). The danger of skin cancer and the benefits of sunscreens in preventing skin ...

The metal atoms are losing electrons to form an ion. They are being oxidised. \(Mg(s) \to Mg_{}^{2 + }(aq) + 2e_{}^ - \) This is known as an ion-electron equation. Reduction is the opposite of ...

oxidation is the loss of electrons reduction is the gain of electrons Balance the half equation for the formation of aluminium during electrolysis: Al 3+ + e-→ Al. The balanced half equation is: Al 3+ ...

The invention of paper as writing materials has greatly contributed to the development and spread of civilization. However, its large-scale production and usage have also brought significant ...