Definition of atomic number 68 Atomic number 68
We found 1 definitions of atomic number 68 from 1 different sources.
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What does atomic number 68 mean?
WordNet
Noun |
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| atomic number 68 - a trivalent metallic element of the rare earth group; occurs with yttrium | ||
| erbium, Er | ||
| metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
| gadolinite, ytterbite a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium | ||
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