how can the element krypton be found in nature?
139547
qoute www.webelements.com - "Krypton is present in the air at about 1 ppm."\nSo, i guess you are breathing some krypton right now!\nhttp://www.webelements.com/webelements/elements/text/Kr/key.html
985750
All elements with atomic number higher than 92 (Uranium) are artificially produced. To do so, they accelerate a neutron (which is hard since neutron has no charge) and then bombard a lighter nucleus with them. The nucleus absorbs a neutron, releases an electron (beta ray) and keeps a proton, so the atomic number will raise one number. (n -> e + p)\nThey do it again and again until they reach the element that they want. but the higher the atomic number, the lower the half life will be (they will last from few months to few micro seconds) when they say that an element is not yet produced but they put it in the periodic table, this means they have evidence that is should exist, but since the half life is short they are unable to detect it, so they have to wait for technology to advance so they can detect it.
18683
Look at your periodic table. \n\nHydrogen - 1s1\nHelium - 1s2\nLithium - 1s2 2s1\nGo to Neon - 1s2 2s2 2p6\nArgon - 1s2 2s2 2p6 3s2 3p6\nKrypton - 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6\n\nSo, let's say you need Silver (Ag)\n[Kr] 5s2 4d9\n\nIt's perfectly acceptable to use a noble gas in brackets to represent the configuration.\n\nI hope this give you an idea how to write it all.
1067317
Many things are in space...the are compounts of gases, metals, rock and ice...Elements you can find on earth too
938053
Its a Nobel gas, discovered on May 30, 1898 by Sir William Ramsay and and Morris M. Travers.\n\nIts colorless, odorless and tasteless.\n\nIt can form compounds with fluorine and very few other elements under extreme conditions.\n\nOr\n\nIt's the birth place of superman (doubting this is what you are asking, seeing as you posted under science.)
858462
Most of the elements in the periodic table are natural, but all of the lanthanoid, actinoid, and radioactive elements are synthesized...or manmade!
444717
It is not a combination of iron and tin, or anything else besides protons, electrons, and neutrons.\n\nThere's a naturally occurring ore called bauxite, which was discovered near Les Baux in the south of France, which is refined to produce aluminum.\n\nAt this link   \n\nhttp://volcano.und.edu/vwdocs/minerals/bauxite.html\n\nthere's a pie chart showing where it is mined today.  A lot of it comes from Australia, but that's not the only source.
517835
you mean ferrum it is nothing but the latin name of iron.\n\nIron is the most abundant metal on Earth, and is believed to be the tenth most abundant element in the universe. Iron is also the second most abundant element by mass, making up 34% of the mass of the Earth; the concentration of iron in the various layers of the Earth ranges from high (how much is "high?") at the inner core to about 5% in the outer crust. It is possible the Earth's inner core consists of a single iron crystal, although it is more likely to be a mixture of iron and nickel. The large amount of iron in the Earth is thought to create its magnetic field (you mean to say this isn't known for sure?).\n\nIron is a metal extracted from iron ore, and is almost never found in the free elemental state. In order to obtain elemental iron, the impurities must be removed by chemical reduction. Iron is used in the production of steel, an alloy or solid solution of different metals, and some non-metals, particularly carbon.\n\nNuclei of iron have some of the highest binding energies per nucleon, surpassed only by the nickel isotope 62Ni. The universally most abundant of the highly stable nucleides is, however, 56Fe. This is formed by nuclear fusion in the stars. Although a further tiny energy gain could be extracted by synthesizing 62Ni, conditions in stars are not right for this process to be favoured. When a very large star contracts at the end of its life, internal pressure and temperature rise, allowing the star to produce progressively heavier elements, despite these being less stable than the elements around mass number 60, known as the "iron group". This leads to a supernova.\n\nSome cosmological models with an open universe predict that there will be a phase where as a result of slow fusion and fission reactions, everything will become iron.
1036054
It isn't always found.\n\nBut it is very, very rare on Earth's surface because it collected mainly in the phase of Earths history when it was molten, and so is mainly present only in the core now.\n\nBy contrast, meteorites which are often made of similar material to that which Earth condensed out of are often relatively abundant in it.
263251
Elements with this property are called noble gases or inert gases.\n\nHelium, argon, neon, kyrpton, xenon and radon.
829227
Not sure you can get an exact ranking, because three were researched simultaneously:\n\nHelium was discovered on Earth in 1895 by Scottish chemist Sir William Ramsay, though some credit the discovery of helium (in the sun's spectrum) to Janssen and Lockyear in 1868. Ramsay discovered most of the remaining noble gases--argon in 1894 (with Lord Rayleigh) and krypton, neon, and xenon in 1898 (with Morris M. Travers). Radon was discovered in 1898 by Fredrich Ernst Dorn.
1141952
Planet hunters have discovered an 'extrasolar' planet that showed evidence of oxygen.  Where oxygen occurs there should be something to produce it, because otherwise it would combine with other elements on the surface.  The evidence for oxygen was speculative, however.
466262
Is it Supe and Kryptonite?
785805
6\nhelium\nneon\nargon\nkrypton\nxenon\nradon
852228
The are made mostly from existing elements, they'll take an element and bomabard it with protons and it become a new synthetic element that doesnt occure normally, they do all exsist in nature but are really rare and in very minute quantities
999753
you know how those guys like to be "iced out" well when you run out of places to put jewelry you have to start being creative... so say you put "ice" in your mouth [aka grillz] and you don't brush your teeth you have green ice in your mouth...\nhense the term "kryptonite"
59177
No.  Firstly, no elements are "made" on earth apart from synthetic ones.  All elemental fusion takes place in stars\n\nSecondly, only the elements up to iron are capable of being formed inside a star.  Energetically, it's the wall.  Anything with a higher atomic number than iron can only be formed under the action of a supernova explosion.  Supernovae then seed the interstellar dust with these heavier elements, which eventually coalesce under the effects of gravity to form new stars, and, presumably, planetary systems.  Given the number of new extrasolar planets found recently, this seems to be a relatively common phenomenon.\n\nSo, all the gold on Earth was formed in a supernova explosion, and when the dust particles that condensed out of that explosion gathered together to form the Earth, a small amount of gold was present.  That's where it all came from!\n\nAs Carl Sagan was fond of saying, "We are all star-stuff."