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Pnictogen. The pnictogens[1] (/ ˈpnɪktədʒən / or / ˈnɪktədʒən /; from Ancient Greek: πνῑ́γω "to choke" and -gen, "generator") are the chemical elements in group 15 of the periodic table. This group is also known as the nitrogen group or nitrogen family. Group 15 consists of the elements nitrogen (N), phosphorus (P), arsenic (As ...
The Group of 15 (G-15) [1] is an informal forum set up to foster cooperation and provide input for other international groups, such as the World Trade Organization (WTO) and the Group of Seven. It was established at the Ninth Non-Aligned Movement Summit Meeting in Belgrade, Yugoslavia, in September 1989, and is composed of countries from Latin ...
It is a member of the 7th period and is placed in group 15 as the heaviest pnictogen, although it has not been confirmed to behave as a heavier homologue of the pnictogen bismuth. Moscovium is calculated to have some properties similar to its lighter homologues, nitrogen , phosphorus , arsenic , antimony , and bismuth , and to be a post ...
In chemistry, a group (also known as a family) [1] is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between groups 2 and 3, are not numbered. The elements in a group have similar physical or chemical characteristics of the outermost electron ...
Ammonia, phosphine, and arsine, three simple pnictogen hydrides. Pnictogen hydrides or hydrogen pnictides are binary compounds of hydrogen with pnictogen (/ ˈpnɪktədʒən / or / ˈnɪktədʒən /; from Ancient Greek: πνῑ́γω "to choke" and -gen, "generator") atoms (elements of group 15: nitrogen, phosphorus, arsenic, antimony, bismuth ...
Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N 2, a colourless and odourless diatomic ...
NASA Astronaut Group 15 ("The Flying Escargot") was a group of 23 NASA astronauts announced on December 8, 1994. [1][2] Group members adopted The Flying Escargot as their moniker, in reference to two members of the group being from France. [3] The group featured ten pilots, nine mission specialists, and four international mission specialist ...
Overview. The Group of 15 was established at the Ninth Non-Aligned Movement summit in Belgrade, Yugoslavia in September 1989. The name of the group is unchanging, but its composition has expanded to 18 countries. [2] The G-15 is composed of countries from Africa, Asia, North America and South America. These non-aligned nations joined to create ...