Eegenskapen
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Algemian
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Nööm, Symbool, Numer
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Tallium, Tl, 81
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Seerie
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Metal
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Skööl, Periode, Blook
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13, 6, p
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Klöör, Skak
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salwern witj
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CAS-Numer
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7440-28-0
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Uundial
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0,29 ppm[1] |
Atomaar [2] |
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Atoommase
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204,38 (204,382 – 204,385)[3][4] u
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Atoomraadius (bereegent)
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190 (156) pm
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Kovalent-Raadius
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145 pm
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Van der Waals-Raadius
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196 pm
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Elektroonen
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[Xe] 4f145d106s26p1 |
1. Ionisiarang
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589,4 kJ/mol
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2. Ionisiarang
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1971 kJ/mol
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3. Ionisiarang
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2878 kJ/mol
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Füsikaalisk [2] |
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Tustant
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fest
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Kristal
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hexagonal
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Sachthaid
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11,85 g/cm3 |
Hardhaid
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1,2
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Magnetismus
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diamagneetisk (Χm = −3,7 · 10−5)[5] |
Smoltponkt
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577 K (304 °C)
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Köögponkt
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1733 K[6] K (1460 °C)
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Molaar Rüm
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17,22 · 10−6 m3/mol
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Dampwaremk
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162 kJ/mol[6] kJ/mol
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Smoltwaremk
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4,2 kJ/mol
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Faard faan a tuun
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818 m/s bi 293,15 K
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Waremk
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129 J/(kg · K)
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Elektrisk struumfeerang
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6,67 · 106 A/(V · m)
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Waremkfeerang
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46 W/(m · K)
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Cheemisk [2] |
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Oksidatsionstustant
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1, 3
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Sür of baasisk
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lacht baasisk
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Normoolpotentiaal
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−0,3363 V (Tl+ + e− → Tl)
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Elektronegatiwiteet
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1,62 (Pauling-Skala)
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Isotoopen
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Isotoop
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NH
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t1/2
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Aktiwiteet
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Energii (MeV)
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Produkt
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199Tl |
{syn.}
| 7,42 h | ε | 1,440 | 199Hg | 200Tl |
{syn.}
| 26,1 h | ε | 2,456 | 200Hg | 201Tl |
{syn.}
| 72,912 h | ε | 0,493 | 201Hg | 202Tl |
{syn.}
| 12,23 d | ε | 1,364 | 202Hg | 203Tl |
29,524 %
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stabiil | 204Tl |
{syn.}
| 3,78 a | β− | 0,764 | 204Pb | ε | 0,347 | 204Hg | 205Tl |
70,476 %
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stabiil | 206Tl |
ferenkelt
| 4,199 min | β− | 1,533 | 206Pb | 207Tl |
ferenkelt
| 4,77 min | β− | 1,423 | 207Pb | 208Tl |
ferenkelt
| 3,053 min | β− | 5,001 | 208Pb | ··· | ··· | ··· | ··· | ··· | ··· | 210Tl |
ferenkelt
| 1,30 min | β− (≈ 100 %) | 5,484 | 210Pb | β−n (0,0070 %) | 0,299 | 209Pb |
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Muar isotoopen bi List faan isotoopen
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Seekerhaid
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Miast wurd SI-ianhaiden brükt.
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