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Hasil cari dari kata atau frase: einsteinium(0.01311 detik)
Found 2 items, similar to einsteinium.
English → English (WordNet)
n : a radioactive transuranic element produced by bombarding
plutonium with neutrons [syn: Es, E, atomic number 99
English → English (gcide)
Es \Es\ n.
the chemical symbol for einsteinium, a transuranic element
with atomic number 99. The atomic weight of the longest-lived
isotope, with a half-life of 276 days, is 254. The first
isotope discovered, having atomic weight 253 and a half-life
of 20 days, was recognized in 1952 in the debris from a
hydrogen bomb test. As much as 3 micrograms of einsteinium
were produced by a complex process involving long irradiation
of plutonium isotopes in nuclear reactors. Its chemical
properties are those of a trivalent actinide element. --HCP61
Syn: einsteinium, atomic number 99.
[WordNet 1.5 +PJC]