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Argon Emma McCloskey.

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Presentation on theme: "Argon Emma McCloskey."— Presentation transcript:

1 Argon Emma McCloskey

2 Element Symbol= Ar Atomic Number= 18 Atomic Mass= 39.9
Group on Periodic table= Non-metals

3 History Argon was discovered in 1894 by Sir William Ramsay, who was an English chemist. Argon also makes up 93% of the earths atmosphere. Argon is from the greek word “argos” meaning “inactive”. Scientists had determined that nitrogen was produced from chemical compounds that where 1% lighter than the atmosphere. Its chemical symbol is Ar

4 Compounds One compound for argon is Hydride which is used to indicate compounds of the type MxHy. Another compound is a Chloride, a substance formed by chemical union of two or more elements.

5 Common Uses of Elements
One place that you would commonly use Argon is in a light bulb, and also in florescent tubes. Argon can also be used as an inert gas shield for arc cutting.

6 Appearance in Natural Form
Little pieces of Argon are found in the air, the air is also made of Oxygen, Hydrogen, and Nitrogen. This is what Argon looks like.

7 Physical Properties The Melting Point of Argon is 83.8 K
Melting Point is the temperature at which the pressure of the solid and the liquid are the same. The Boiling Point of Argon is 87.3 K Boiling Point is the temperature at which the pressure of a liquid is one atmosphere.

8 State of Matter Argon is a gas in room temperature.
It is in the noble gases on the periodic table.

9 Chemical Properties Argon is 2 ½ times more soluble in water than nitrogen. It is extremely inert and forms no known chemical compounds

10 I hope you enjoyed my slideshow

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