Download Chlorine and sodium

Chlorine and
Sodium
Anthony,
Jessica,
Steffan
Chlorine
 The elements name is chlorine
 The atomic number is 17
 The atomic symbol is Cl
History
 It was discovered in 1774 by Scheele,
who thought it contained oxygen, chlorine
was named in 1810 by Davey who
decided it was an element.
 It was discovered by Carl Wilhelm
Scheele
 It name came from the Greek word
khlôros which means green
Uses
 In nature chlorine is only found in the
combine star with sodium. In other words
it is only found in salt.
 The other used in making many everyday
products. It is supplies are now usually
chlorinated.
Other Uses
 It is also extensively used in the
production of paper products, dyestuffs,
textiles, petroleum products, medicines,
antiseptics, insecticides, food, solvents,
paints, plastics, and many other
consumer products
More Uses
 Most of the chlorine produced is used in
the manufacture of chlorinated
compounds for sanitation, pulp
bleaching, disinfectants, and textile
processing. Further use is in the
manufacture of chlorates, chloroform,
carbon tetrachloride, and in the extraction
of bromine
Finally Uses
 Organic chemistry demands much from
chlorine, both as an oxidizing agent and
in substitution, since it often brings many
desired properties in an organic
compound when substituted for
hydrogen, as in one form of synthetic
rubber
Facts
 Chlorine crystal
structure is
Orthorhombic
 Chlorine’s color is
green
 Chlorine’s melting
point is -149.764 °F
and it’s boiling point is
-30.279997 °F
Cited Sources


Bentor, Yinon. Chemical Element.com Chlorine. Jan. 24, 2007
http://www.chemicalelements.com/elem
ents/cl.html
University of California. Chlorine.
12/15/2003
http://www.periodic.lanl.gov/elements/1
7.html
Sodium
 The element’s name is sodium
 The element’s atomic number is 11
 The element’s symbol is Na
History
 Long recognized in compounds, sodium
was first isolated by Davy in 1807 by
electrolysis of caustic
 It was discovered by Sir Humphrey Davy
 It’s name came from soda (Na2CO3)
Found in Nature
 Sodium is found in nature in fair
abundance in the sun and stars. The D
lines of sodium are among the most
prominent in the solar spectrum. Sodium
is the fourth most abundant element on
earth, comprising about 2.6% of the
earth's crust; it is the most abundant of
the alkali group of metals
Found in Nature
 Also it is now obtained commercially by
the electrolysis of absolutely dry fused
sodium chloride. This method is much
cheaper than that of electrolyzing sodium
hydroxide, as was used several years
ago
Uses
 Metallic sodium is vital in the
manufacture of esters and in the
preparation of organic compounds. The
metal may be used to improve the
structure of certain alloys, descale metal,
and purify molten metals
 Also an alloy of sodium with potassium,
NaK, is an important heat transfer agent
Facts
 Sodium crystal
structure is cube
 Sodium color is
silvery
 Sodium melting point
is 208.04001 °F and
it’s boiling point is
1027.2201 °F
Cited Sources


Bentor, Yinon. Chemical Element.com Sodium. Jan. 25, 2007
http://www.chemicalelements.com/elem
ents/na.html
University of California. Sodium.
12/15/2003
http://www.periodic.lanl.gov/elements/1
7.html