NOM | substance | número atòmic 87, franci, Fr | a radioactive element of the alkali-metal group discovered as a disintegration product of actinium |
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Sentit | A radioactive element of the alkali-metal group discovered as a disintegration product of actinium. | |
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Sinònims | franci, Fr | |
General | element metàl·lic, metall | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
Anglès | francium, Fr, atomic number 87 | |
Espanyol | francio, número atómico 87 |
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