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 phys ....
Word count: 457 - Page count: 2
|
|
GotPapers has one of the largest term paper databases online. Join today to view this essay and over 45000 other essays in our members' only section.
Your subsription is activated immediately after payment, which is perfect for those times when you are up late working on an important
paper that is due tomorrow.
Membership Option |
Price |
PayPal |
30 days (recurring) |
$19.95 |
90 days (recurring) |
$39.95 |
180 days (non-recurring) |
$69.95 |
|
|
|