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Li
in WebElements
in X-Ray info
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Li, 3
lithium (English)
lithium, m. (French)
Lithium, n. (German)
litij (Russian)
litio (Spanish)
litium (Swedish)
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| Symbol, number | Li, 3 (alkali metal), Group: 1; 1A |
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| Weight | 6.941 |
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| In Nature | |
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| Discovered | 1817, by Johan August Arfwedson (Sweden) |
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| Density [kg/m3] | 534 [293 K] (solid) 515 [454 K] (liquid) |
| Molar volume | 13.00 cm3 |
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| Melting Temperature | 453.69 K (180.69 °C) Enthalpy: 134.7 kJ/mol |
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| Boiling Temperature | 1620 K (1347 °C) Enthalpy: 4.60 kJ/mol |
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| Electrical resistance | 8.55E-8 [273 K] Wm |
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| Thermal | Conductivity: 84.7 [300 K] W/Km Expansion: 56E-6 /K |
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| Configuration | 1s2 2s2 |
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| Ionisation [kJ/mol] |
| M--> |
M+--> |
M2+--> |
M3+--> |
M4+--> |
M5+--> |
M6+--> |
M7+--> |
M8+--> |
M9+-->M10+ |
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| Thermodynamics |
| State |
DfH° |
DfG° |
S° |
CpH |
H°298.15-H°0 |
| [kJ/mol] |
[J/Kmol] |
[kJ/mol] |
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| Isotopes |
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Mass |
In nature |
Half-life |
Spin |
m/mN |
NMM |
Decay |
| 6Li |
6.0151214 |
7.59% |
stable |
1 |
0.8220467 |
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| 7Li |
7.0160030 |
92.41% |
stable |
3/2 |
3.256424 |
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| 8Li |
8.022486 |
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0.84 s |
2 |
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1.6536 |
β- to 8Be; β-+2α to n |
| 9Li |
9.026789 |
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0.178 s |
3/2 |
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3.439 |
β- to 9Be; β-+n to 8Be; β-+n+2α to n |
| 11Li |
11.04379 |
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0.0087 s |
1/2 |
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3.668 |
β- to 11Be; β-+n to 10Be; β-+n+α to 6He |
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