| ngoi-kôn |
|---|
colorless gas, exhibiting a whitish glow in a high electric field
A krypton-filleddischarge tube glowing white
Spectral lines of krypton |
| Kî-pún sin-sit |
|---|
| Miàng,fù-ho | Krypton, Kr |
|---|
| ngoi-hìn | colorless gas, exhibiting a whitish glow in a high electric field |
|---|
| Krypton chhaichû-khì-péu ke vi-chi |
|---|
|
| ngièn-chṳ́ sì-sú | 36 |
|---|
| ngièn-chṳ́-liòng (±) | 83.798(2)[1] |
|---|
| ngièn-su lui-phe̍t | hî-yù hi-thí |
|---|
| Chhu̍k,fûn-khî | 18 chhu̍k,p-block |
|---|
| chû-khì | period 4 |
|---|
| thien-chṳ́ phài-lie̍t | [Ar] 3d10 4s2 4p6 |
|---|
| per shell | 2, 8, 18, 8 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông | hi-thí |
|---|
| yùng-tiám | 115.78 K(−157.37 °C,−251.27 °F) |
|---|
| pui-tiám | 119.93 K(−153.415 °C,−244.147 °F) |
|---|
| me̍t-thuat stp (0 °C and 101.325 kPa) | 3.749 g·L−1 |
|---|
| 2.413 g·cm−3[2] |
| Sâm-siong-tiám | 115.775 K,73.53 kPa[3][4] |
|---|
| lìm-kie-tiám | 209.48 K, 5.525 MPa[4] |
|---|
| Yùng-fa-ngie̍t | 1.64 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t | 9.08 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong | 20.95[5] J·mol−1·K−1 |
|---|
chîn-hi-ap| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | | chhai T (K) | 59 | 65 | 74 | 84 | 99 | 120 |
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su | 2, 1,0(rarely more than 0; unknownoxide) |
|---|
| Thien-fu-sin | Pauling scale: 3.00 |
|---|
| Thien-lì-nèn | 1st: 1350.8 kJ·mol−1
2nd: 2350.4 kJ·mol−1
3rd: 3565 kJ·mol−1 |
|---|
| Khiung-ka pan-kang | 116±4 pm |
|---|
| Van der Waals pan-kang | 202 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho | face-centered cubic (fcc) |
|---|
| Sâng-suk | (gas, 23 °C) 220 m·s−1
(liquid) 1120m·s−1 |
|---|
| Ngie̍t-chhòn-thô-li̍t | 9.43×10−3 W·m−1·K−1 |
|---|
| Chhṳ̀-sin | diamagnetic[6] |
|---|
| CAS Registry Number | 7439-90-9 |
|---|
| Le̍k-sú |
|---|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ | William Ramsay andMorris Travers(1898) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
| Chú vùn-chông:Krypton ke thùng-vi-su |
| iso | NA | half-life | DM | DE (MeV) | DP |
|---|
| 78Kr | 0.35% | >1.1×1020 y | (β+β+) | 2.846 | 78Se | | 79Kr | syn | 35.04 h | ε | 79Br |
|---|
| β+ | 79Br | | γ | – | | 80Kr | 2.25% | 80Kr isstable with 44neutrons | | 81Kr | trace | 2.29×105 y | ε | – | 81Br | | γ | 0.281 | – | | 82Kr | 11.6% | 82Kr is stable with 46 neutrons | | 83Kr | 11.5% | 83Kr is stable with 47 neutrons | | 84Kr | 57.0% | 84Kr is stable with 48 neutrons | | 85Kr | syn | 10.756 y | β− | 0.687 | 85Rb | | 86Kr | 17.3% | – | (β−β−) | 1.2556 | 86Sr |
|
| Decay modes in parentheses are predicted, but have not yet been observed |
