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Tuesday, August 8, 2017
Thursday, March 2, 2017
Californium
Cf chemical element of radioactivity, trivalent. [1] Kimaaia factory in the periodic table element symbol (palm - Cf) its atomic number 98 was discovered by extrusion element curium alpha particles and has a few uses
Californium Californium:
A radioactive element californium Minutes industrially atomic number 98, and atomic weight 251.079, its density is 15.10 g / cm3 melting point of 900 degrees...
Friday, February 17, 2017
Metal vanadium
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Metal vanadium
Vanadium chemical element in the periodic table, a poisonous metal and solid color white, symbol...
Titanium metal
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TitaniumTitanium metal
Titanium is a chemical element in the periodic table symbol Ti and atomic number, 22. transition metal lightweight, strong, with a sheen and rust resistant (including sea water and chlorine), and color of silvery white metal.
containe reading ...
Titanium is used in strong lightweight alloys (especially with...
Thursday, February 16, 2017
Mercury
Chemical element mercury him the symbol Hg and atomic number 80 in the periodic table, a silvery liquid, its density (13.54 g / cm 3), freezes Silver-colored diagonal bluer resembles lead in appearance and when (-38.9 ° C), and boils at (356.9 ° C) .
When the passage of an electric spark in mercury vapor, emits flashing dazzling, and ultraviolet light.
At a temperature (-269 ° C) becomes the...
Gold ore element
How do you know Gold
It can be distinguished Gold Gold is a gold and precious metals, which have been known for thousands of years, and can exist freely in nature, or mixed with other elements, a glossy and heavy element, and a softer metal, found in rivers and rock deposits. Gold retains its value because it affects the monetary policy, the global economy depends mostly on gold prices up...
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