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atomic number 52 |
atomic number 53 |
atomic number 54 |
atomic number 55 |
atomic number 56 |
atomic number 57
| atomic number 58
| atomic number 59
| atomic number 6
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| atomic number 61
atomic number 57
WORDNET DICTIONARY
Noun atomic number 57 has 1 sense
- atomic number 57(n = noun.substance) la, lanthanum - a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth; Array is a kind of metal, metallic element
For further exploring for "atomic number 57" in Webster Dictionary Online
