ഫലകം:Infobox caesium
ഫലകം വിക്കിപീഡിയ / From Wikipedia, the free encyclopedia
വസ്തുതകൾ Caesium, Pronunciation ...
Caesium | |||||||||||||||
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Pronunciation | /ˈsiːziəm/ | ||||||||||||||
Alternative name | cesium (US, informal) | ||||||||||||||
Appearance | pale gold | ||||||||||||||
Caesium ആവർത്തനപ്പട്ടികയിൽ | |||||||||||||||
ഗ്രൂപ്പ് | group 1: hydrogen and alkali metals | ||||||||||||||
പിരീഡ് | period 6 | ||||||||||||||
ബ്ലോക്ക് | s-block | ||||||||||||||
ഇലക്ട്രോൺ വിന്യാസം | [Xe] 6s1 | ||||||||||||||
Electrons per shell | 2, 8, 18, 18, 8, 1 | ||||||||||||||
Physical properties | |||||||||||||||
Phase at STP | solid | ||||||||||||||
ദ്രവണാങ്കം | 301.7 K (28.5 °C, 83.3 °F) | ||||||||||||||
ക്വഥനാങ്കം | 944 K (671 °C, 1240 °F) | ||||||||||||||
Density (near r.t.) | 1.93 g/cm3 | ||||||||||||||
when liquid (at m.p.) | 1.843 g/cm3 | ||||||||||||||
Critical point | 1938 K, 9.4 MPa[1] | ||||||||||||||
ദ്രവീകരണ ലീനതാപം | 2.09 kJ/mol | ||||||||||||||
Heat of vaporization | 63.9 kJ/mol | ||||||||||||||
Molar heat capacity | 32.210 J/(mol·K) | ||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||
Oxidation states | −1, +1[2] (a strongly basic oxide) | ||||||||||||||
Electronegativity | Pauling scale: 0.79 | ||||||||||||||
അയോണീകരണ ഊർജം |
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ആറ്റോമിക ആരം | empirical: 265 pm | ||||||||||||||
കൊവാലന്റ് റേഡിയസ് | 244±11 pm | ||||||||||||||
Van der Waals radius | 343 pm | ||||||||||||||
Spectral lines of caesium | |||||||||||||||
Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
ക്രിസ്റ്റൽ ഘടന | body-centered cubic (bcc) | ||||||||||||||
Thermal expansion | 97 µm/(m⋅K) (at 25 °C) | ||||||||||||||
താപചാലകത | 35.9 W/(m⋅K) | ||||||||||||||
Electrical resistivity | 205 nΩ⋅m (at 20 °C) | ||||||||||||||
കാന്തികത | paramagnetic[3] | ||||||||||||||
Young's modulus | 1.7 GPa | ||||||||||||||
ബൾക്ക് മോഡുലസ് | 1.6 GPa | ||||||||||||||
Mohs hardness | 0.2 | ||||||||||||||
Brinell hardness | 0.14 MPa | ||||||||||||||
സി.എ.എസ് നമ്പർ | 7440-46-2 | ||||||||||||||
History | |||||||||||||||
Naming | from Latin caesius, sky blue, for its spectral colours | ||||||||||||||
Discovery | Robert Bunsen and Gustav Kirchhoff (1860) | ||||||||||||||
First isolation | Carl Setterberg (1882) | ||||||||||||||
Isotopes of caesium കാ • [{{fullurl:Template:{{{template}}}|action=edit}} തി] | |||||||||||||||
Template:infobox caesium isotopes does not exist | |||||||||||||||
വർഗ്ഗം: Caesium | references |
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കൂടുതൽ വിവരങ്ങൾ Cs · Caesium ...
Cs · Caesium | ||
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isobox
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indexes by PT (page) |
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most stable isotope | |
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Spectral lines image |
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