what are its chemical properties?
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earth is what number planet from the sun Third how many planets does this system of sun consists of? Nine what is the history behind the formation of the system? The Solar System formed 4.568 billion years ago from the gravitational collapse of a region within a large molecular cloud. which among the nine planets is the hottest? Venus what are its physical characteristics? It has a thick silicate mantle around an iron core, a substantial atmosphere, and evidence of internal geological activity. It is much drier than Earth, and its atmosphere is ninety times as dense. how long it takes to complete one revolution around the sun? Venus orbits the Sun at an average distance of about , and completes an orbit every 224.7 days. does the planet have any cultural aspect? In Sumerian religion, Inanna was associated with the planet Venus. It has importance in mythology, astrology and fiction which among the nine planet is "dwarf planet"? Pluto what do you mean by the above quoted term? A dwarf planet is a planetary-mass object that does not dominate its region of space and is not a satellite. how many natural satellites does the above mentioned planet have? Pluto has five known natural satellites. can you name some of them? Charon, Styx, Nix, Kerberos, and Hydra. how is the atmosphere in this dwarf planet? Pluto has a tenuous atmosphere consisting of nitrogen, methane, and carbon monoxide, which are in equilibrium with their ices on Pluto's surface. who discovered  the first element mentioned in the list? Daniel Rutherford and when did he discover it? 1772 how this can be produce artificially? In a chemical laboratory, it is prepared by treating an aqueous solution of ammonium chloride with sodium nitrite. can you mention some of its applications? Many saltwater fish manufacture large amounts of trimethylamine oxide to protect them from the high osmotic effects of their environment; conversion of this compound to dimethylamine is responsible for the early odour in unfresh saltwater fish. In animals, free radical nitric oxide
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Nitrogen [SEP] Atomic
A nitrogen atom has seven electrons. In the ground state, they are arranged in the electron configuration 1s2s2p2p2p. It therefore has five valence electrons in the 2s and 2p orbitals, three of which (the p-electrons) are unpaired. It has one of the highest electronegativities among the elements (3.04 on the Pauling scale), exceeded only by chlorine (3.16), oxygen (3.44), and fluorine (3.98). (The light noble gases, helium, neon, and argon, would presumably also be more electronegative, and in fact are on the Allen scale.) Following periodic trends, its single-bond covalent radius of 71 pm is smaller than those of boron (84 pm) and carbon (76 pm), while it is larger than those of oxygen (66 pm) and fluorine (57 pm).