Although many other chemists have repeated this advice, IUPAC and most chemistry texts still favour the usage of allotrope and allotropy for elements only.

Although most of Chaplin's films are characterised as comedies, most of them also employ strong elements of drama and even tragedy.

Although counting the number of elements in a set is a rather broad mathematical problem, many of the problems that arise in applications have a relatively simple combinatorial description.

Although all known chemical matter is composed of these elements, chemical matter itself constitutes only about 15 % of the matter in the universe.

Although earlier precursors to this presentation exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869, who intended the table to illustrate recurring trends in the properties of the elements.

Although not formalised and acknowledged as a mythos per se, Lovecraft did correspond with contemporary writers ( Clark Ashton Smith, Robert E. Howard, Robert Bloch, Frank Belknap Long, Henry Kuttner, and Fritz Lieber – a group referred to as the " Lovecraft Circle ") – and shared story elements: Robert E. Howard's character Friedrich Von Junzt reads Lovecraft's Necronomicon in the short story " The Children of the Night " ( 1931 ), and in turn Lovecraft mentions Howard's Unaussprechlichen Kulten in the stories " Out of the Aeons " ( 1935 ) and " The Shadow Out of Time " ( 1936 ).

Although much of Chinese philosophy begins in the Warring States period, elements of Chinese philosophy have existed for several thousand years ; some can be found in the Yi Jing ( the Book of Changes ), an ancient compendium of divination, which dates back to at least 672 BCE.

Although all group 16 elements of the periodic table, including oxygen, are defined as chalcogens, oxygen and oxides are usually distinguished from chalcogens and chalcogenides.

Although every map element serves some purpose, convention only dictates inclusion of some elements, while others are considered optional.

Although " Oedipus's enquiry is based on supernatural, pre-rational methods that are evident in most narratives of crime until the development of Enlightenment thought in the seventeenth and eighteenth centuries " it has " all of the central characteristics and formal elements of the detective story, including a mystery sur-rounding a murder, a closed circle of suspects, and the gradual uncovering of a hidden past.

" Although not expressed as strongly, Glyn Jones believed that he and Thomas ' friendship cooled in the later years as he had not ' rejected enough ' of the elements that Thomas disliked – " Welsh nationalism and a sort of hill farm morality ".

Although various notations are used throughout the literature to denote that two elements a and b of a set are equivalent with respect to an equivalence relation R, the most common are " a ~ b " and " a ≡ b ", which are used when R is the obvious relation being referenced, and variations of " a ~< sub > R </ sub > b ", " a ≡< sub > R </ sub > b ", or " aRb ".

Although most electrical engineers will understand basic circuit theory ( that is the interactions of elements such as resistors, capacitors, diodes, transistors and inductors in a circuit ), the theories employed by engineers generally depend upon the work they do.

Although mythical elements are not so prominent in Exodus as in Genesis, the echoes of ancient legends are crucial to understanding the book's origins and purpose: for example, the story of the infant Moses's salvation from the Nile has its basis in an earlier legend of king Sargon, while the story of the parting of the Red Sea trades on Mesopotamian creation mythology.

Although the inclusion of cognitive appraisal as one of the elements is slightly controversial, since some theorists make the assumption that emotion and cognition are separate but interacting systems, the component processing model provides a sequence of events that effectively describes the coordination involved during an emotional episode.

Although the most common seven-string has a low B string, Roger McGuinn ( of The Byrds and Rickenbacker ) uses an octave G string paired with the regular G string as on a 12-string guitar, allowing him to incorporate chiming 12-string elements in standard six-string playing.

Although many of his works feature gothic elements, the first one which is considered to belong purely in the „ gothic fiction “ label is Ostrov Borngolm ( Island of Bornholm ) from 1793.

Although Magyar tribes only began to settle in the geographical area of present-day Hungary in the very end of the 9th century, some 450 years after the dissolution of the Hunnic tribal confederation, Hungarian prehistory includes Magyar origin myths, which may have preserved some elements of historical truth.

Although considered " small and primitive " by the standards of its time, it was the first working machine to contain all of the elements essential to a modern electronic computer.

Although incorporating Italian and French stylistic elements into his compositions, Purcell's legacy was a uniquely English form of Baroque music.

Although he considered the blend of gameplay elements from different genres a success, he said that Kid Icarus suffered from " frustrating " design flaws, such as its high difficulty level.

For anarchist historian George Woodcock " Although ( Pierre Joseph ) Proudhon was the first writer to call himself an anarchist, at least two predecessors outlined systems that contain all the basic elements of anarchism.

Although he frequently wrote of his longing for solitude in order to come closer to God and to extend his reflections – elements considered essential to the prophetic experience itself in his philosophy-he gave over almost all his time to caring for others.

Although musical theatre overlaps with other theatrical forms like opera and dance, it may be distinguished by the equal importance given to the music as compared with the dialogue, movement and other elements of the works.

Although the project was ultimately abandoned, some elements were integrated into other projects.

Although choosing two options in the same division is discouraged, it is still possible.

Although the western stream Kalundu tradition was ancestral to Shona ceramic wares, the closest relationships of the ancestral Shona language according to many linguists were with a southern division of eastern Bantu – such languages as the southeastern languages ( Nguni, Sotho-Tswana, Tsonga ), Nyasa and Makwa.

Although traditionally considered one of seven colors of the rainbow or the optical spectrum, modern color scientists do not usually recognize indigo as a separate division and generally classify wavelengths shorter than about 450 nm as violet.

Although the events were clearly a dynastic struggle, " the division was not between native barons and newcomers from the West, but between the king's maternal and paternal kin.

According to Encyclopædia Britannica, " Although there was a clear Muslim majority in Kashmir before the 1947 partition and its economic, cultural, and geographic contiguity with the Muslim-majority area of the Punjab ( in Pakistan ) could be convincingly demonstrated, the political developments during and after the partition resulted in a division of the region.

Although the brand originates from the original 1947 model, Land Rover as a company has only existed since 1978, prior to this it was a product line of the Rover Company which was subsequently absorbed into the Rover-Triumph division of the British Leyland Motor Corporation ( BL ) following Leyland Motor Corporation ’ s takeover of Rover in 1967.

Although the specific mechanisms between mitochondria and the cell cycle regulation is not well understood, studies have shown that low energy cell cycle checkpoints monitor the energy capability before committing to another round of cell division.

Although the distribution was uncertain, this division was short-lived: in 1033 Otto was killed by one of his own men, and Mieszko II took his domains.

Although officially denied by the Nigerian government, Nigeria is known to have also provided secret military training at the Kaduna first mechanized army division and provided other material support to Joshua Nkomo and Robert Mugabe's guerrilla forces during the Rhodesian Bush War ( Renamed Zimbabwe in 1979 ) of independence against white minority rule of Prime Minister Ian Douglas Smith which was armed and financed by the regime in South Africa.

Although SNK's American home entertainment division quickly acknowledged that the system simply was incapable to compete with the 3D-able powerhouse systems of the day like Sega's Saturn and Sony's PlayStation, SNK corporate of Japan felt they could continue to maintain profitable sales in the Japanese home market by shortening the previous system's load-times.

Although most major 3G systems are primarily based upon CDMA, time division duplexing ( TDD ), packet scheduling ( dynamic TDMA ) and packet oriented multiple access schemes are available in 3G form, combined with CDMA to take advantage of the benefits of both technologies.

Although the some 5, 800-man force under his command ( mostly hundred-days ' men amalgamated from the VIII Corps ) and the division of James B. Ricketts from VI Corps was defeated by Confederate General Jubal A.

Although he was only eighteen years old, Richard was already an experienced commander and had led a division at the Battle of Barnet.

Although by tradition, the vanguard occupied the right of the line of battle, several authors have conjectured from descriptions in near-contemporary accounts ( such as the Historie of the arrivall of Edward IV ) that Richard of Gloucester's division actually took position to the left of Edward's battle or that the divisions of Edward's army advanced in line ahead, with Edward's division leading.

Although this at first appears to be a stronger statement, it is a direct consequence of the other form of the theorem, through the use of successive polynomial division by linear factors.

Although it was the popularity of the Oldsmobile division vehicles that prompted this change, declining sales of V8 engines would have made this change inevitable as all but the Chevrolet version of the 350-cubic-inch engine were eventually dropped.

Although they missed the postseason in his first year with the team, they earned three division titles ( one in the first half of the strike shortened 1981 season ), two World Series appearances and their first ever World Series title () in the following four years.

Although every division commander requested two drops on the first day, Brereton's staff scheduled only one lift based on the need to prepare for the first drop by bombarding German flak positions for half a day and a weather forecast on the afternoon of 16 September ( which soon proved erroneous ) that the area would have clear conditions for four days, so allowing drops during them.

Although it was to be several years before Bristol showed any profit from the aero engine division, the Jupiter engine eventually proved enormously successful: indeed, during the inter-war period the aero-engine division was more successful than the parent company and Bristol came to dominate the market for air-cooled radial engines.

Although both parties considered the territory they were assigned insufficient, the division was justified insofar as in the German and Polish parts a majority had voted in favour of the respective nation.

Although he became the war chief of the leading division of the tribe, Little Turtle was never the head chief of the Miami, which was a hereditary position.

Although Post 230 is classified as a district 1A team ( explained below ), it plays the majority of its games against " B " division opponents.

Although under Virginia law, incorporated towns may operate their own schools, Elkton area schools are operated by Rockingham County Public Schools, a Virginia public school division.