This is a free sample excerpt of the paper. Join to view the full essay
|
Gallium
Part 1 of Paper
....the periodic table. He Gives it the name "eka aluminium".
1875 Paul Emile Lecoq de Boisbaudran discovers . Its properties closely
match those predicted by Mendelev.
Gallium, atomic number 31, is very similar to aluminum in its chemical
properties. It does not dissolve in nitric acid because of the protective film
o.... Part 2 of Paper
....perficial oxidation. Unusual for its low melting
point ( about 30 degrees C, 86 degrees F ), gallium also expands upon
solidification and supercools readily, remaining a liquid at temperatures as
low as 0 degrees C ( 32 degrees F ).
Gallium has the longest usefull liquid range of any element. The liquid
metal clings to glass and similar surfaces. The crystal structure of gallium
is orthorhombic. Natural gallium consists of a mixture of two stable isotopes:
gallium-69 ( 60.4 percent ) and ga.... |
| Number of words: 487 - Approximate pages: 2 |
|
Here are PaperHelp we are used to dealing with students in a rush to complete their research papers on a tight deadline. That is why when you
join our site, your account is activated immediately enabling you to get the information you need as quickly as possible. We also know that
students usually are on a tight budget, which is why we give you access to a large number of papers, 45,000+ to exact, for one low monthly
price. With so many essays available, there is a very good chance you'll be able to find what you need. So join today and get your paper
done.
| Length |
Membership Type |
Price |
Register |
| 30 days |
recurring |
$19.95 |
| 90 days |
recurring |
$39.95 |
| 180 days |
non-recurring |
$69.95 |
|
|
|
