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Particulate barium shows a strong correlation with particulate organic carbon or POC. [36] Barium is becoming more popular as a base for palaeoceanographic proxies. [36] With both dissolved and particulate barium's links with silicic acid and POC, it can be used to determine historical variations in the biological pump, carbon cycle, and global ...
Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.
Cryptic crosswords often use abbreviations to clue individual letters or short fragments of the overall solution. These include: Any conventional abbreviations found in a standard dictionary, such as: "current": AC (for "alternating current"); less commonly, DC (for "direct current"); or even I (the symbol used in physics and electronics)
After most one-bid rounds, a bonus game was played, in which the winner of the one-bid prize would play a random game (such as wordplay or tune-matching) for additional prizes. After a set number of rounds (four on the nighttime version, six on the daytime), the contestant who accumulated the highest value in cash and prizes became the champion ...
In 1991, the book Classic Concentration: The Game, The Show, The Puzzles, written by the show's puzzle designer Steve Ryan (and plugged on the air), was released. The book features 152 puzzles that were used on the show; the first 48 puzzles are exposed in their entirety, whereas the remaining 104 are first presented partially revealed on one ...
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols, normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.
For a short time, the Crossword Extra was known as the "Crossword Xbox 360 Extra" as a promotion for the Crosswords video game released on Xbox Live Arcade, which also added an Xbox 360 console to the bonus prize during episodes with this promotion. Beginning in late December 2007, players were allowed to bet up to $3,000 in Round 3 if they had ...
Barium (Ba) 56 βαρύς (barys) Greek via Neo-Latin "heavy" βαρύς (barys) means "heavy". The oxide was initially called "barote", then "baryta", which was modified to "barium" to describe the metal. Humphry Davy gave the element this name because it was originally found in baryte, which shares the same source. [44] Lanthanum (La) 57