Difference between revisions of "Krypton"
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| − | + | {{element | |
| + | |float=right | ||
| + | |elementName=Krypton | ||
| + | |elementSymbol=Kr | ||
| + | |protons=36 | ||
| + | |abundance=0.0% | ||
| + | }} | ||
| − | + | Krypton, ''[[Elements on Mars|periodic table]] Kr,'' is a noble gas, much like [[xenon]] and [[argon]]. Krypton has a large family of isotopes, the most common being <sup>84</sup>Kr. | |
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| + | It is useful as propellant for [[Ion_thruster|ion drives]], and an isotope of krypton, <sup>79</sup>Kr, has been proposed as a positron source in an experimental [[Ion_thruster#Scaled_radioisotope_positron_propulsion|radioisotope positron propulsion system]]. Krypton is also used by [[SpaceX]] for the thrusters in its Constellation project. The cost of Krypton is about 0,5$ per liter or about 350$ per kg<ref>https://www.chemicool.com/elements/krypton.html</ref>. | ||
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| + | ==References== | ||
| + | <references /> | ||
Latest revision as of 14:59, 20 November 2020
| Kr | 36 |
| Krypton | |
Abundance: 0.0%
Krypton, periodic table Kr, is a noble gas, much like xenon and argon. Krypton has a large family of isotopes, the most common being 84Kr.
It is useful as propellant for ion drives, and an isotope of krypton, 79Kr, has been proposed as a positron source in an experimental radioisotope positron propulsion system. Krypton is also used by SpaceX for the thrusters in its Constellation project. The cost of Krypton is about 0,5$ per liter or about 350$ per kg[1].
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