Antimony ( or ; ) is a toxic chemical element with symbol Sb and atomic number 51.

Antimony is in the nitrogen group ( group 15 ) and has an electronegativity of 2. 05.

Antimony is stable in air at room temperature, but reacts with oxygen if heated to form antimony trioxide, Sb < sub > 2 </ sub > O < sub > 3 </ sub >.

Antimony is a silvery, lustrous gray metal that has a Mohs scale hardness of 3.

Antimony is resistant to attack by acids.

| St || Antimony || 51 || Current symbol is Sb.

Antimony is capable of displacing hydrogen from water, when heated: 2Sb + 3H < sub > 2 </ sub > O < big >→</ big > Sb < sub > 2 </ sub > O < sub > 3 </ sub > + 3H < sub > 2 </ sub >.

Antimony is a semimetal with an electrical conductivity of around 3. 1 × 10 < sup > 4 </ sup > S • cm < sup >− 1 </ sup > and a band overlap of 0. 16 eV.

* Antimony is well known as an alloy former.

Antimony is a town in Garfield County, Utah, United States.

Antimony is known throughout Central Utah for its 4th of July fireworks display.

Antimony is known to cause headaches, dizziness, depression, and vomiting and can be lethal in large quantities.

Type metal, an alloy of Lead, Tin and Antimony ( with sometimes traces of Copper ) is used for casting hand set type in letterpress printing and hot foil blocking.

Antimony trioxide is widely used but other forms of antimony such as the pentoxide and sodium antimonate are also used.

When two Time Lords are killed, the Seventh Doctor together with his companion Antimony must stop the powerful General Tannis ' plans for conquest and Ace is groomed to face a new destiny.

It is to this world the Seventh Doctor and Antimony have arrived.

Tannis says that this is because Antimony, without realising it, considers the Doctor to be his father.

Antimony compounds are prominent additives for chlorine-and bromine-containing fire retardants found in many commercial and domestic products.

Some other minerals found in the district are Antimony, Arsenic, Lignite or Brown Marble, Mica and silver.

Funded by donations, Antimony almost certainly spends more, per capita, on fireworks than any other town in the state of Utah.

1959 ; frequently misspelled " Antimony "), and Time Table ( 1917 ).

Antimony exists as two stable isotopes, < sup > 121 </ sup > Sb with a natural abundance of 57. 36 % and < sup > 123 </ sup > Sb with a natural abundance of 42. 64 %.

Antimony ( Sb ) melts at 630 ° C.

* Antimony trioxide, Sb < sub > 2 </ sub > O < sub > 3 </ sub >

Antimony ( Sb ) occurs in two stable isotopes, < sup > 121 </ sup > Sb and < sup > 123 </ sup > Sb.

* Antimony < big >♁</ big > 15px

In the webcomic Gunnerkrigg Court, the main character Antimony Carver can see psychopomps, or " guides ," which are normally hidden to ordinary living people.

Valentine, in his Triumphal Chariot of Antimony makes a comparison to spagyrics in which a vegetable sublimation can be used to separate the spirits in wine and beer.

Eldon made a guest appearance in a special webcast version of Doctor Who in a story called Death Comes to Time, in which he played Antimony, a companion of the Doctor.

Antimony compounds have been known since ancient times and were used for cosmetics ; metallic antimony was also known, but it was erroneously identified as lead.

Image: BSEGlassInclusionSb. jpg | Backscattered Electron ( BSE ) image of an Antimony rich region in a fragment of ancient glass.

Antimony has the rare property of expanding as it cools, giving the casting sharp edges.

Antimony appears as a silver-white solid with a blue tint and a brilliant lustre.

Antimony shows fewer tendencies to anionic behaviour than ordinary nonmetals.

A party of 22 men came to the Antimony area in 1873 on a mission to make peace with the local Fish Lake band of Indians.

This resulted in the town's renaming, in 1921, to Antimony.

He thought of the jungles below him, and of the wild, strange, untracked beauty there and he promised himself that someday he would return, on foot perhaps, to hunt in this last corner of the world where man is sometimes himself the hunted, and animals the lords.

Isfahan became more of a legend than a place, and now it is for many people simply a name to which they attach their notions of old Persia and sometimes of the East.

If his dancers are sometimes made to look as if they might be creatures from Mars, this is consistent with his intention of placing them in the orbit of another world, a world in which they are freed of their pedestrian identities.

In a bold, sometimes careless, form there is nothing academic ; ;

In the incessant struggle with recalcitrant political fact he learns to focus the essence of a problem in the significant detail, and to articulate the distinctions which clarify the detail as significant, with what is sometimes astounding rapidity.

This text from Dr. Huxley is sometimes used by enthusiasts to indicate that they have the permission of the scientists to press the case for a wonderful unfoldment of psychic powers in human beings.

The problem is rather to find out what is actually happening, and this is especially difficult for the reason that `` we are busily being defended from a knowledge of the present, sometimes by the very agencies -- our educational system, our mass media, our statesmen -- on which we have had to rely most heavily for understanding of ourselves ''.

It is true that this distinction between style and idea often approaches the arbitrary since in the end we must admit that style and content frequently influence or interpenetrate one another and sometimes appear as expressions of the same insight.

On the other hand, the bright vision of the future has been directly stated in science fiction concerned with projecting ideal societies -- science fiction, of course, is related, if sometimes distantly, to that utopian literature optimistic about science, literature whose period of greatest vigor in the late nineteenth and early twentieth centuries produced Edward Bellamy's Looking Backward and H. G. Wells's A Modern Utopia.

One is that there sometimes are real although inadequate compensations in growing old.

So far as I am concerned, the child is unmistakably father to the man, despite the obvious fact that child and father differ greatly -- sometimes for the better and sometimes for the worse.

It was responsible and sometimes dangerous work because the thieving is awful in the port of New York.

He could no longer build anything, whether a private residence in his Pennsylvania county or a church in Brazil, without it being obvious that he had done it, and while here and there he was taken to task for again developing the same airy technique, they were such fanciful and sometimes even playful buildings that the public felt assured by its sense of recognition after a time, a quality of authentic uniqueness about them, which, once established by an artist as his private vision, is no longer disputable as to its other values.

For he knows that the first and sometimes most difficult job is to know what the question is -- that when it is accurately identified it sometimes answers itself, and that the way in which it is posed frequently shapes the answer.

Displacement is sometimes referred to as `` swept volume ''.