Einsteiniom tabi Einsteinium je apilese alasopapo onide . Lori tabili igba , o je sisoju pelu ami-idamo Es ati nomba atomu 99. Ohun ni apilese teyinuraniom keje, ati aktinidi . O je sisoloruko leye fun Albert Einstein .[1]
Einsteiniom
Quick Facts Einsteinium, Pípè ...
Einsteinium, 99 Es Einsteinium Pípè / aɪ n ˈ s t aɪ n i ə m / (eyen-STY -nee-əm ) Ìhànsójú silver-colored[1] nọ́mbà ìsújọ [252] Einsteinium ní orí tábìlì àyè
Nọ́mbà átọ̀mù (Z ) 99 Ẹgbẹ́ group n/a Àyè àyè 7 Àdìpọ̀ Àdìpọ̀-f Ẹ̀ka ẹ́límẹ́ntì Actinide Ìtò ẹ̀lẹ́ktrọ́nù [ Rn ] 5f11 7s2 Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan 2, 8, 18, 32, 29, 8, 2 Àwọn ohun ìní ara Ìfarahàn at STP solid Ìgbà ìyọ́ 1133 K (860 °C, 1580 °F) Kíki (near r.t. ) 8.84 g/cm3 Atomic properties Oxidation states +2, +3 , +4 Electronegativity Pauling scale: 1.3 Color lines in a spectral range Spectral lines of einsteiniumOther properties Natural occurrence synthetic Magnetic ordering no data CAS Number 7429-92-7 Main isotopes of einsteinium
Iso tope
Abun dance
Half-life (t 1/2 )
Decay mode
Pro duct
252 Es
syn
471.7 d
α
6.760
248 Bk
ε
1.260
252 Cf
β−
0.480
252 Fm
253 Es
syn
20.47 d
SF
-
-
α
6.739
249 Bk
254 Es
syn
275.7 d
ε
0.654
254 Cf
β−
1.090
254 Fm
α
6.628
250 Bk
255 Es
syn
39.8 d
β−
0.288
255 Fm
α
6.436
251 Bk
SF
-
-
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