ngoi-kôn |
---|
unknown, probably metallic |
Kî-pún sin-sit |
---|
Miàng, fù-ho |
astatine, At |
---|
ngoi-hìn |
unknown, probably metallic |
---|
Astatine chhai chû-khì-péu ke vi-chi |
---|
|
ngièn-chṳ́ sì-sú |
85 |
---|
ngièn-chṳ́-liòng |
(210) |
---|
ngièn-su lui-phe̍t |
lui-kîm-su̍k, sometimes classified as a nonmetal, or a metal[2] |
---|
Chhu̍k, fûn-khî |
17 chhu̍k, p-block |
---|
chû-khì |
period 6 |
---|
thien-chṳ́ phài-lie̍t |
[Xe] 4f14 5d10 6s2 6p5 |
---|
per shell |
2, 8, 18, 32, 18, 7 |
---|
vu̍t-lî sin-chṳt |
---|
Siông |
ku-thí |
---|
yùng-tiám |
575 K (302 °C, 576 °F) |
---|
pui-tiám |
610 K (337 °C, 639 °F) |
---|
Me̍t-thu near Sit-vûn |
(At2) 6.35±0.15 g·cm−3 (predicted)[3] |
---|
Mol thí-chit |
(At2) 32.94 cm3·mol−1 (predicted)[3] |
---|
Yùng-fa-ngie̍t |
ca. 6 kJ·mol−1 |
---|
Chîn-fat-ngie̍t |
(At2) 54.39 kJ·mol−1[4] |
---|
chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
| chhai T (K)
|
361
|
392
|
429
|
475
|
531
|
607
|
|
Ngièn-chṳ́ sin-chṳt |
---|
Yông-fa-su |
−1, +1, +3, +5, +7 |
---|
Thien-fu-sin |
Pauling scale: 2.2 |
---|
Thien-lì-nèn |
1st: 899.003 kJ·mol−1[6] |
---|
Khiung-ka pan-kang |
150 pm |
---|
Van der Waals pan-kang |
202 pm |
---|
Miscellanea |
---|
Chîn-thí keu-chho |
face-centered cubic (fcc) (predicted)[2] |
---|
Ngie̍t-chhòn-thô-li̍t |
1.7 W·m−1·K−1 |
---|
CAS Registry Number |
7440-68-8 |
---|
Le̍k-sú |
---|
Hí-miàng |
after Greek astatos (αστατος), meaning "unstable" |
---|
Fat-hien |
Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segrè (1940) |
---|
Chui vún-thin ke thùng-vi-su |
---|
Chú vùn-chông: astatine ke thùng-vi-su |
|