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Barium is a chemical element; it has symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal . Because of its high chemical reactivity , barium is never found in nature as a free element.
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.
{{Infobox element}}; labels & notes: (Image) GENERAL PROPERTIES Name Symbol Pronunciation (data central) Alternative name(s) Allotropes Appearance <element> IN THE PERIODIC TABLE Periodic table Atomic number Standard atomic weight (data central) Element category (also header bg color) (sets header bg color, over 'series='-color) Group Period ...
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This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects.
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
Today's Wordle Answer for #1270 on Tuesday, December 10, 2024. Today's Wordle answer on Tuesday, December 10, 2024, is PATIO. How'd you do? Next: Catch up on other Wordle answers from this week.