| ngoi-kôn |
|---|
silvery gray metallic; corrodes to a spalling black oxide coat in air
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho | uranium, U |
|---|
| ngoi-hìn | silvery gray metallic; corrodes to a spalling black oxide coat in air |
|---|
| Uranium chhai chû-khì-péu ke vi-chi |
|---|
|
| ngièn-chṳ́ sì-sú | 92 |
|---|
| ngièn-chṳ́-liòng (±) | 238.02891(3)[1] |
|---|
| ngièn-su lui-phe̍t | actinium-hi |
|---|
| Chhu̍k, fûn-khî | n/a, f-block |
|---|
| chû-khì | period 7 |
|---|
| thien-chṳ́ phài-lie̍t | [Rn] 5f3 6d1 7s2 |
|---|
| per shell | 2, 8, 18, 32, 21, 9, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông | ku-thí |
|---|
| yùng-tiám | 1405.3 K (1132.2 °C, 2070 °F) |
|---|
| pui-tiám | 4404 K (4131 °C, 7468 °F) |
|---|
| Me̍t-thu near Sit-vûn | 19.1 g·cm−3 |
|---|
| 17.3 g·cm−3 |
| Yùng-fa-ngie̍t | 9.14 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t | 417.1 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong | 27.665 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
| | chhai T (K)
|
2325
|
2564
|
2859
|
3234
|
3727
|
4402
|
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su | 6, 5, 4, 3,[2] 2, 1 (a weakly basic oxide) |
|---|
| Thien-fu-sin | Pauling scale: 1.38 |
|---|
| Thien-lì-nèn | 1st: 597.6 kJ·mol−1
2nd: 1420 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang | empirical: 156 pm |
|---|
| Khiung-ka pan-kang | 196±7 pm |
|---|
| Van der Waals pan-kang | 186 pm |
|---|
