Unnilquadium
[yoo-nil-kwod-ee-uh m] /ˌyu nɪlˈkwɒd i əm/
noun, Chemistry, Physics.
1.
former name of rutherfordium. Symbol: Unq.
rutherfordium
[ruhth-er-fawr-dee-uh m, -fohr-, ruhth-] /ˌrʌð ərˈfɔr di əm, -ˈfoʊr-, ˌrʌθ-/
noun, Chemistry, Physics.
1.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Rf; atomic number: 104.
noun, Chemistry, Physics.
1.
rutherfordium.
rutherfordium
/ˌrʌðəˈfɔːdɪəm/
noun
1.
a transactinide element produced by bombarding californium-249 nuclei with carbon-12 nuclei. Symbol: Rf; atomic number.: 104; atomic wt: 261 Name in the former Soviet Union kurchatovium
rutherfordium
(rŭ’ər-fôr’dē-əm)
Symbol Rf
A synthetic, radioactive element that is produced by bombarding plutonium with carbon or neon ions. Its most stable isotope is Rf 261 with a half-life of 62 seconds. Atomic number 104. See Periodic Table.
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