Europium: Difference between revisions
Jump to navigation
Jump to search
imported>Milton Beychok m (Minor correction) |
imported>Milton Beychok m (Fixed an error of mine) |
||
| Line 17: | Line 17: | ||
'''Europium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Eu. Its [[atomic number]] (the number of [[proton]]s) is 63. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 151.964 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form. | '''Europium''' is a [[Chemical elements|chemical element]], having the [[chemical symbol]] Eu. Its [[atomic number]] (the number of [[proton]]s) is 63. It has a [[Atomic mass#Standard atomic weights of the elements|standard atomic weight]] of 151.964 g•mol<sup> −1</sup> and is a [[solid]] in its elemental form. | ||
Europium is considered a member of the "Lanthanide" class of elements. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of | Europium is considered a member of the "Lanthanide" class of elements. At a [[pressure]] of 101.325 k[[Pascal (unit)|Pa]], it has a [[boiling point]] of 1,529 °[[Celsius (unit)|C]] and a [[melting point]] of 822 °C. | ||
Latest revision as of 16:26, 29 April 2011
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Europium is a chemical element, having the chemical symbol Eu. Its atomic number (the number of protons) is 63. It has a standard atomic weight of 151.964 g•mol −1 and is a solid in its elemental form.
Europium is considered a member of the "Lanthanide" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 1,529 °C and a melting point of 822 °C.