Ksenon (pípè /ˈzɛnɒn/; ZEE-non) je apilese kemika to ni ami-idamo Xe. Nomba atomu re je 54. O je Efuufu alade to wuwo, lai lawo tabi ni oorun, ksenoni wa ni ojuorun ni iye tasere.[6]
Quick Facts Xenon, Pípè ...
Xenon, 54Xe A xenon-filled discharge tube glowing light blue |
Xenon |
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Pípè | |
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Ìhànsójú | colorless gas with violet emission |
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Ìwúwo átọ̀mù Ar, std(Xe) | 131.293(6)[3] |
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Xenon ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 54 |
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Ẹgbẹ́ | group 18 (noble gases) |
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Àyè | àyè 5 |
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Àdìpọ̀ | Àdìpọ̀-p |
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Ẹ̀ka ẹ́límẹ́ntì | Ẹ̀fúùfù abíire |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Kr] 4d10 5s2 5p6 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 18, 8 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | gas |
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Ìgbà ìyọ́ | 161.4 K (−111.7 °C, −169.1 °F) |
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Ígbà ìhó | 165.03 K (−108.12 °C, −162.62 °F) |
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Kíki (at STP) | 5.894 g/L |
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Triple point | 161.405 K, 81.6[4] kPa |
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Critical point | 289.77 K, 5.841 MPa |
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Heat of fusion | 2.27 kJ/mol |
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Heat of | 12.64 kJ/mol |
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Molar heat capacity | 20.786 J/(mol·K) |
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pressure
P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
at T (K) |
83 |
92 |
103 |
117 |
137 |
165 |
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Atomic properties |
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Oxidation states | 0, +1, +2, +4, +6, +8 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 2.6 |
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Covalent radius | 140±9 pm |
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Van der Waals radius | 216 pm |
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Color lines in a spectral rangeSpectral lines of xenon |
Other properties |
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Natural occurrence | primordial |
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Crystal structure | (fcc) |
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Speed of sound | (liquid) 1090 m/s; (gas) 169 m/s |
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Thermal conductivity | 5.65×10-3 W/(m·K) |
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Magnetic ordering | diamagnetic[5] |
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CAS Number | 7440-63-3 |
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Main isotopes of xenon |
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Isotope |
Abundance |
Half-life (t1/2) |
Decay mode |
Product |
124Xe |
0.095% |
124Xe is stable with 70 neutrons |
125Xe |
syn |
16.9 h |
ε |
1.652 |
125I |
126Xe |
0.089% |
126Xe is stable with 72 neutrons |
127Xe |
syn |
36.345 d |
ε |
0.662 |
127I |
128Xe |
1.91% |
128Xe is stable with 74 neutrons |
129Xe |
26.4% |
129Xe is stable with 75 neutrons |
130Xe |
4.07% |
130Xe is stable with 76 neutrons |
131Xe |
21.2% |
131Xe is stable with 77 neutrons |
132Xe |
26.9% |
132Xe is stable with 78 neutrons |
133Xe |
syn |
5.247 d |
β− |
0.427 |
133Cs |
134Xe |
10.4% |
134Xe is stable with 80 neutrons |
135Xe |
syn |
9.14 h |
β− |
1.16 |
135Cs |
136Xe |
8.86% |
136Xe is stable with 82 neutrons |
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Àdàkọ:Category-inline | references |
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