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It is generally unreactive as it does not react with air, water, acids or bases. However, it can react halogens such as fluorine and fluoride

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Royal Society of Chemistry http://www.rsc.org/periodic-table/element/54/xenon (accessed 6 Mar, 2017).
Lenntech http://www.lenntech.com/periodic/elements/xe.htm (accessed 6 Mar. 2017).
Chemical Elements http://www.chemicalelements.com/elements/xe.html (accessed 6 Mar. 2017).

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Evaluate the impact of the element on the environment 

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Evaluate the impact of the element on the environment 

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Xenon is a rare gas and as such is non-toxic and chemically inert. The extreme cold temperature of this element though will freeze organisms on contact, but no long term ecological effects are anticipated. This element is chemically non-toxic and safe unless inhaled in high concentrations.

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Describe where the element is found or produced on Earth

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Describe where the element is found or produced on Earth

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Xenon is present in the atmosphere at a concentration of 0.086 parts per million by volume and also is found in gases that emerge from certain mineral springs. It is made by extraction from liquid air.

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The element was discovered July 1898 by William Ramsay and Morris Travers at University College London.

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State: Gas g cm
Colour: colourless
Density: 0.005366 g cm−3
Melting point: - 112 °C
Boiling point: - 107 °C

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Greek term 'xenon' meaning stranger

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Name: Xenon
Symbol: Xe
Atomic number: 54
Atomic mass: 131.29 g.mol -1
No. Of protons: 54
No. Of neutrons: 77
No. Of electrons: 54