| slovo | definícia |
europium
(encz) | europium,europium n: Zdeněk Brož |
europium
(czen) | europium,europiumn: Zdeněk Brož |
Europium
(gcide) | Europium \Eu*ro"pi*um\, n. [NL.; Europe + -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group (Lanthanide
series), discovered spectroscopically by Demarcay in 1896.
Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011);
valence = +2 or +3.
[Webster 1913 Suppl. +PJC] |
europium
(wn) | europium
n 1: a bivalent and trivalent metallic element of the rare earth
group [syn: europium, Eu, atomic number 63] |
europium
(elements) | europium
Symbol: Eu
Atomic number: 63
Atomic weight: 151.25
Soft silvery metallic element belonging to the lanthanoids. Eu-151 and
Eu-153 are the only two stable isotopes, both of which are neutron
absorbers. Discovered in 1889 by Sir William Crookes.
|
| | podobné slovo | definícia |
Europium
(gcide) | Europium \Eu*ro"pi*um\, n. [NL.; Europe + -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group (Lanthanide
series), discovered spectroscopically by Demarcay in 1896.
Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011);
valence = +2 or +3.
[Webster 1913 Suppl. +PJC] |
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