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- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/07%3A_Chemical_Nomenclature/7.06%3A_The_Stock_System_of_NomenclatureThis page discusses mp3 players' design and specifications, along with the naming of compounds with transition metals using the Stock system to indicate ionic charges. It provides examples, such as na...This page discusses mp3 players' design and specifications, along with the naming of compounds with transition metals using the Stock system to indicate ionic charges. It provides examples, such as naming FeCl3 as iron (III) chloride, to illustrate the need for accuracy in naming to reflect the chemical properties of compounds like copper and tin. The summary highlights the significance of proper nomenclature in chemistry.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.11%3A_Cathode_Ray_TubeThis page outlines the history and importance of cathode ray tubes (CRTs) in television technology, detailing early contributions from Heinrich Geissler and Sir William Crookes. It emphasizes that CRT...This page outlines the history and importance of cathode ray tubes (CRTs) in television technology, detailing early contributions from Heinrich Geissler and Sir William Crookes. It emphasizes that CRTs revealed cathode rays as streams of particles with mass and mentions innovations like Karl Ferdinand Braun's oscilloscope and Wilhelm Roentgen's discovery of X-rays that emerged from CRT research, underscoring their significant influence on science and technology.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/General_Chemistry_Supplement_(Eames)/Chemistry_Basics/Ancient_HistoryNow we know that you can change the state of matter just by changing the temperature and pressure, and the molecules stay the same. So the wrong theories of the Greeks were based on not recognizing th...Now we know that you can change the state of matter just by changing the temperature and pressure, and the molecules stay the same. So the wrong theories of the Greeks were based on not recognizing the difference between physical changes, which are changes in the state of matter, and chemical changes, changes in the combination of atoms.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/01%3A_Introduction_to_Chemistry/1.03%3A_AlchemyThis page explores the evolution of metallurgy, highlighting its role in creating durable tools and weapons, and the value of gold and silver. It discusses state-owned gold mining and the ancient ques...This page explores the evolution of metallurgy, highlighting its role in creating durable tools and weapons, and the value of gold and silver. It discusses state-owned gold mining and the ancient quest of alchemy to transmute base metals into gold, which, despite its failures, contributed to the foundation of modern chemistry. By the 17th century, alchemical processes evolved into contemporary chemical methods. Additionally, it notes that modern physics can produce gold, albeit at a high expense
