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- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/08%3A_Ionic_and_Metallic_Bonding/8.06%3A_Ionic_BondingThis page discusses ionic compounds using sodium chloride as a main example. It explains that table salt can be obtained from salt mines or oceans, emphasizing that dissolved salt exists as separate i...This page discusses ionic compounds using sodium chloride as a main example. It explains that table salt can be obtained from salt mines or oceans, emphasizing that dissolved salt exists as separate ions until water is evaporated. The text covers ionic bonds, which arise from the attraction between oppositely charged ions, with bond strength depending on charge and distance.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/05%3A_Electrons_in_Atoms/5.02%3A_Wavelength_and_Frequency_CalculationsThis page discusses the enjoyment of beach activities along with the risks of UVB exposure, emphasizing the necessity of sunscreen. It explains wave characteristics such as wavelength and frequency, i...This page discusses the enjoyment of beach activities along with the risks of UVB exposure, emphasizing the necessity of sunscreen. It explains wave characteristics such as wavelength and frequency, introducing the formula c=λν that relates them. An example calculation for the frequency of orange light is included to illustrate the application of the formula. The summary highlights key wave properties and their definitions.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/26%3A_Biochemistry/26.10%3A_WaxesThis page discusses the historical hunting of sperm whales for oil from the 1700s to the late 1900s, which resulted in drastic declines in whale populations and subsequent international protection by ...This page discusses the historical hunting of sperm whales for oil from the 1700s to the late 1900s, which resulted in drastic declines in whale populations and subsequent international protection by 1988. It also covers waxes, which are natural esters used for waterproofing in plants and animals, mentioning common types like beeswax and lanolin, and their applications in human products such as floor polish and car wax.
