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Thallium
Beginning of paper
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 config ....
Middle of paper ....t 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 h.... |
Word count: 457 |
Page count: 2 |
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