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Actinium and actinide
The actinide series are the second row of the f-block ( 5f series ) and comprise the elements from Actinium to Lawrencium.

Actinium and series
< sup > 207 </ sup > Pb is the end of the Actinium series from < sup > 235 </ sup > U.

Actinium and similar
Actinium has similar chemical properties as lanthanum and other lanthanides, and therefore these elements are difficult to separate when extracting from uranium ores.
Actinium, which occurs only in trace amounts, continues the trend in chemical behavior for metals that form tripositive ions with a noble gas configuration ; synthetic lawrencium is calculated and partially shown to be more similar to lutetium and yttrium.

Actinium and actinium
Actinium reacts rapidly with oxygen and moisture in air forming a white coating of actinium oxide that prevents further oxidation.

Actinium and .
Actinium ( ) is a radioactive chemical element with symbol Ac and atomic number 89, which was discovered in 1899.
Actinium is found only in traces in uranium ores as the isotope < sup > 227 </ sup > Ac, which decays with a half-life of 21. 772 years, predominantly emitting beta particles.
Actinium is a soft, silvery-white, radioactive, metallic element.
Scandium, Yttrium, Elements des Terres Rares, Actinium, P. Pascal, Editor, Masson & Cie 1959
Receipt Date: 31-DEC-55 4358283-Retrieved 2012-01-29 see also: < sup > 228 </ sup > Ac = ( Actinium 228 ) In 1959, he joined the staff of CERN ( European Organization for Nuclear Research ) in Geneva.
* Actinium is discovered by Andre-Louis Debierne.
Actinium ( Ac ) has no stable isotopes, thus a standard atomic mass cannot be given.
Actinium also has two meta states.

gave and name
Ralph Gabriel gave it the name of Protestant philosophy of Progress.
Such was the impromptu that Voltaire gave to howls of laughter at Sans Souci and that was soon circulated in manuscript throughout the literary circles of Europe, to be printed sometime later, but with the name of Timon of Athens, the famous misanthrope, substituted for that of Rousseau.
Hereford cattle were often called `` white faces '', or `` open-face cattle '', and the old-time cowman gave the name of `` hothouse stock '' to them newly introduced cattle.
The northern cowboy called all the red Mexican cattle which went up the trail `` Sonora reds '', while they called all cattle drove up from Mexico `` yaks '', because they came from the Yaqui Injun country, or gave 'em the name of `` Mexican buckskins ''.
When he finally got the coughing under control, he realized that Pete ( all he gave was his first name ) was still waiting for an answer -- he didn't even seem to wink as he continued to stare.
`` God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life '', and `` as many as received him, to them gave He power to become the sons of God, even to them that believe on His name ''.
`` As many as received Him ( Jesus ), to them gave He power to become the sons of God, even to them that believe on his name ''.
There is Mijbil, an otter who travelled with Maxwell -- and gave Maxwell's name to a new species -- from the Tigris marshes to his London flat.
Her name was Sabella, and the strip of seaweed around her neck was an emerald necklace the King gave her as a token of his undying love.
The Greeks gave to him the name αγυιεύς agyieus as the protector god of public places and houses who wards off evil, and his symbol was a tapered stone or column.
The European sailors and merchants gave the name Levant to the west and south coasts of Asia Minor, including Syria.
The first element of the actinides, actinium gave the group its name, much as lanthanum had done for the lanthanides.
Diodorus uses ēlektron, the Greek word for amber, the object that gave its name to electricity through its ability to acquire a charge.
Abbotsford gave its name to the " Abbotsford Club ", a successor of the Bannatyne and Maitland clubs, founded by William Barclay Turnbull in 1834 in Scott's honour, for printing and publishing historical works connected with his writings.
Walafrid Strabo, a monk of the Abbey of St. Gall writing in the 9th century, remarked, in discussing the people of Switzerland and the surrounding regions, that only foreigners called them the Alemanni, but that they gave themselves the name of Suevi.
According to an interview she gave to an Egyptian journalist, her first name was Yvonne, though she is referred to as Yvette in most published references.
The last of Alfred's works is one to which he gave the name Blostman, i. e., " Blooms " or Anthology.
* Cyme, who gave her name to the city of Cyme ( Aeolis )
* Smyrna, who obtained possession of Ephesus and gave her name to a quarter in this city, as well as to the city of Smyrna
Algoritmi, the translator's rendition of the author's name, gave rise to the word algorithm ( Latin algorithmus, " calculation method ").
Carnegie once gave $ 25, 000 to Speaker of the House David B. Henderson to erect a library on the campus of Upper Iowa University in his name.
" They gave my name and my date of birth, but I am not a suicide bomber.
Also vexatious were the Saxons, the name Roman writers gave to the peoples who lived in the northern part of what is now Germany and the southern part of the Jutland peninsula.

gave and series
The events of the last quarter of an hour, mysterious to any bird accustomed only to the predictable life of coop and barnyard, had overcome the doctor's hen and she gave out a series of cackly wails, perhaps mourning her nest, but briefly enjoyed.
After a series of debates in 1858 that gave national visibility to his opposition to the expansion of slavery, Lincoln lost a Senate race to his arch-rival, Stephen A. Douglas.
A draw in the final Test gave England victory in an Ashes series for the first time in 18 years and their first Ashes victory at home since 1985.
A publisher named Edwin Othello Excell gave the version of " Amazing Grace " set to " New Britain " immense popularity by publishing it in a series of hymnals that were used in urban churches.
( c. 4 ), who likewise follows Hippolytus's Compendium, adds some further particulars ; that ' Abraxas ' gave birth to Mind ( nous ), the first in the series of primary powers enumerated likewise by Irenaeus and Epiphanius ; that the world, as well as the 365 heavens, was created in honour of ' Abraxas ;' and that Christ was sent not by the Maker of the world but by ' Abraxas.
He used the method of exhaustion to calculate the area under the arc of a parabola with the summation of an infinite series, and gave a remarkably accurate approximation of pi .< ref >
Biodynamic agriculture, the first intentional form of organic farming, began in the 1920s when Rudolf Steiner gave a series of lectures since published as Agriculture.
Steiner gave several series of lectures to physicians and medical students.
Bishop Wigers ( 1138 – 60 ) was the first of a series of bishops of the Premonstratensian Order, which chose the occupants of the see until 1447 ; in that year a bull of Nicholas V gave the right of nomination to the elector of Brandenburg, with whom the bishops stood in a close feudal relation.
At first the predictions of Einstein's formula were seemingly refuted by a series of experiments by Svedberg in 1906 and 1907, which gave displacements of the particles as 4 to 6 times the predicted value, and by Henri in 1908 who found displacements 3 times greater than Einstein's formula predicted.
In addition, the Polish American Congress gave the series an award for portraying Polish Americans in a good manner.
In 1929, Heisenberg gave a series of invited lectures at the University of Chicago explaining the new field of quantum mechanics.
He gave a series of lectures on unit operations at the Manchester Technical School ( University of Manchester today ) in 1887, considered to be one of the earliest such about chemical engineering.
He described how fire gave rise to the other elements as the: " upward-downward path ", (), a " hidden harmony " or series of transformations he called the " turnings of fire ", (), first into sea, and half that sea into earth, and half that earth into rarefied air.
In a series of experiments beginning in the mid-1880s, Theodor Boveri gave the definitive demonstration that chromosomes are the vectors of heredity.
At the Chicago 1893 World's Columbian Exposition, Muybridge gave a series of lectures on the Science of Animal Locomotion in the Zoopraxographical Hall, built specially for that purpose in the " Midway Plaisance " arm of the exposition.
In 1808 he gave a series of speeches in French-occupied Berlin, Addresses to the German Nation.
He gave a series of lectures on Dante at the Santo Stefano church in 1373 and these resulted in his final major work, the detailed Esposizioni sopra la Commedia di Dante.
The researchers gave their participants a choice: they could either bet on the outcome of a series of coin tosses, use an " expert " opinion to sway their decision, or choose a risk-free alternative instead for a smaller financial reward.
He visited the United States in 1924, and gave a series of illustrated lectures in New York City and other cities in the United States that were attended by very large and enthusiastic audiences, sparking Egyptomania in America.
In mathematics, Archimedes used the method of exhaustion to calculate the area under the arc of a parabola with the summation of an infinite series, and gave a remarkably accurate approximation of pi.
Though the Astros were poised to close out the series in Game Five in Houston, Brad Lidge gave up a monstrous two-out three-run home run to Albert Pujols, forcing the series to a sixth game in St. Louis, where the Astros clinched a World Series appearance.
In 1982, Loach and Central Independent Television were commissioned by Channel 4 to make Questions of Leadership, a documentary series on the response of the British trade union movement to the challenge posed by the policies of the Thatcher government, which also gave members an opportunity to call their own leaders to account.

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