Radium, 88Ra
| ngoi-kôn |
|---|
silvery white metallic
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho | radium, Ra |
|---|
| ngoi-hìn | silvery white metallic |
|---|
| Radium chhai chû-khì-péu ke vi-chi |
|---|
|
| ngièn-chṳ́ sì-sú | 88 |
|---|
| ngièn-chṳ́-liòng | (226) |
|---|
| ngièn-su lui-phe̍t | kán-thú kîm-su̍k |
|---|
| Chhu̍k, fûn-khî | 2 chhu̍k, s-block |
|---|
| chû-khì | period 7 |
|---|
| thien-chṳ́ phài-lie̍t | [Rn] 7s2 |
|---|
| per shell | 2, 8, 18, 32, 18, 8, 2 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông | ku-thí |
|---|
| yùng-tiám | 973 K (700 °C, 1292 °F) (disputed) |
|---|
| pui-tiám | 2010 K (1737 °C, 3159 °F) |
|---|
| Me̍t-thu near Sit-vûn | 5.5 g·cm−3 |
|---|
| Yùng-fa-ngie̍t | 8.5 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t | 113 kJ·mol−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
| | chhai T (K)
|
819
|
906
|
1037
|
1209
|
1446
|
1799
|
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su | 2 (expected to have a strongly basic oxide) |
|---|
| Thien-fu-sin | Pauling scale: 0.9 |
|---|
| Thien-lì-nèn | 1st: 509.3 kJ·mol−1
2nd: 979.0 kJ·mol−1 |
|---|
| Khiung-ka pan-kang | 221±2 pm |
|---|
| Van der Waals pan-kang | 283 pm |
|---|
Radium he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ra, ngièn-chṳ́ su-muk he 88.
