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Phosphorus is classified as a pnictogen, together with nitrogen, arsenic, antimony, bismuth, and moscovium. Phosphorus is an element essential to sustaining life largely through phosphates, compounds containing the phosphate ion, PO 4 3−. Phosphates are a component of DNA, RNA, ATP, and phospholipids, complex compounds fundamental to cells.
The Berne Convention (formally, the International Convention respecting the Prohibition of the Use of White (Yellow) Phosphorus in the Manufacture of Matches (French: Convention internationale sur l'interdiction de l'emploi du phosphore blanc (jaune) dans l'industrie des allumettes)) of 1906 is a multilateral treaty negotiated in Berne, Switzerland, which prohibits the use of white phosphorus ...
Phosphorus (Ancient Greek: Φωσφόρος, romanized: Phōsphoros) is the god of the planet Venus in its appearance as the Morning Star. Another Greek name for the Morning Star is " Eosphorus " (Ancient Greek: Ἑωσφόρος , romanized: Heōsphoros ), which means "dawn-bringer".
Phosphorus condenses to a liquid below about 280°C and then solidifies (to the white phosphorus allotrope) below about 44°C (depending on purity). This same essential reaction is still used today (but with mined phosphate ores, coke for carbon, and electric furnaces). Brand's process yielded far less phosphorus than it could have.
Phosphorus is 0.1% of the earth's crust, making it the 11th most abundant element. Phosphorus comprises 0.65 parts per million of soil and 15 to 60 parts per billion of seawater. There are 200 Mt of accessible phosphates on earth. Phosphorus makes up 1.1% of a typical human by weight. [14]
A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
The London matchgirls strike of 1888 campaigned against the use of white phosphorus in match making, which led to bone disorders such as phossy jaw. Those involved in the manufacture of the new phosphorus matches were afflicted with phossy jaw and other bone disorders, [26] and there was enough white phosphorus in one pack to kill a person ...
A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical behavior begins to repeat, meaning that elements with similar behavior fall into ...