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Thallium - Online Term Paper

Thallium

My element was . It is atomic number 81. It has 81 protons and
electrons and 123 neutrons. has a mass of 204.3833 atomic mass units.
Its symbol is Tl. It resides in Group IIIA of the periodic table. That is the
aluminum family. has a bluish color after exposure to the air. It is
a very soft and malleable metal. It has an electron configuration of
1s22s23s23p64s23d104p65s24d105p64f145d106s26p1. It has 6 electron shells. It
melts at 576.7 K and boils at 1730 K. It is a solid when at room temperature.

Thallium was discovered in 1861 by a British chemist and physicist. His
name was Sir William Crookes. He discovered it spectroscopically in England.
He isolated it. In 1862, ...

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detectors. Thallium
sulphate used to be widely used as a pesticide and an ant killer. It was
odorless and tasteless and worked well, but it was found to be too toxic.
Thallium slats which burn with a bright green flame are used in flares and
rockets. Thallium is the 60th most abundant element in the Earth’s crust.
There are 3.6 parts of Thallium in every million parts of the Earth’s crust.
Thallium compounds are extremely toxic. The negative effects are cumulative and
can be taken in through the skin. Poisoning from Thallium takes several days to
effect you and when it does, it hits the nervous system. Thallium should only
be handled by trained professionals with the right equipment and safety
precautions.

Thallium deposits are occasionally found in Sweden and the Former Yugoslav
Republic of Macedonia. It is also extracted from the mud produced in lead
chambers that are used in the manufacturing of sulfuric acid. Thallium is also
used in Thallium high-Tc ...

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Thallium. (2007, January 19). Retrieved October 22, 2025, from http://www.essayworld.com/essays/Thallium/58974

"Thallium." Essayworld.com. Essayworld.com, 19 Jan. 2007. Web. 22 Oct. 2025. <http://www.essayworld.com/essays/Thallium/58974>

"Thallium." Essayworld.com. January 19, 2007. Accessed October 22, 2025. http://www.essayworld.com/essays/Thallium/58974.

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PAPER DETAILS

Added: 1/19/2007 12:41:47 PM
Category: Science & Nature
Type: Premium Paper
Words: 457
Pages: 2

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