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Encyclopedia
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Ytterbium: Encyclopedia - Ytterbium
Ytterbium is a chemical element in the periodic table that has the symbol Yb and atomic number 70. A soft silvery metallic element, ytter...
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The Elements Song: Encyclopedia Ii - The Elements Song - Lyrics
There's antimony, arsenic, aluminum, selenium,
And hydrogen and oxygen and nitrogen and rhenium,
And nickel, neodymium, neptunium, german...
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71 Number: Encyclopedia Ii - 71 Number - In Mathematics
It is the 20th prime number. The next is 73, with which it composes a twin prime. It is also a permutable prime with 17. If we add up the...
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Lanthanide: Encyclopedia Ii - Lanthanide - Mnemonics
To remember the sequence of the lanthanide elements, various mnemonic phrases have been used. This is the most common one:
Ladies Can't P...
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Ytterbium: Encyclopedia Ii - Ytterbium - Notable Characteristics
Ytterbium is a soft, malleable and rather ductile element that exhibits a bright silvery luster. A rare earth element, it is easily attac...
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Lutetia: Encyclopedia Ii - Lutetia - Celtic Origins
Somewhere in the immediate area was the chief settlement or oppidum of the Parisii, a Celtic people who settled in the area during the 3r...
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Lawrencium: Encyclopedia Ii - Lawrencium - Notable Characteristics
The appearance of this element is unknown, however it is most likely silvery-white or gray and metallic. If sufficient amounts of lawrenc...
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Lutetia: Encyclopedia Ii - Lutetia - Urbanization
The regular grid-plan of Roman Lutetia marked it as the city, in the Gallo-Roman sense. The city was the only sector in which, starting i...
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Ytterbium: Encyclopedia Ii - Ytterbium - Isotopes
Naturally occurring ytterbium is composed of 7 stable isotopes, Yb-168, Yb-170, Yb-171, Yb-172, Yb-173, Yb-174, and Yb-176, with Yb-174 b...
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Ytterbium: Encyclopedia Ii - Ytterbium - History
Ytterbium was discovered by the Swiss chemist Jean Charles Galissard de Marignac in 1878. Marignac found a new component in the earth the...
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Lutetia: Encyclopedia Ii - Lutetia - Events
The town was captured by the Roman Republic in 52 BC during the conquest of Gaul under Caesar.
The Lutetians backed the revolt of Vercing...
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