Americium (Hon-ngî: 鋂 méi fe̍t-chá 鎇 méi) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Am, ngièn-chṳ́ su-muk he 95.
快速預覽 ngoi-kôn, Kî-pún sin-sit ...
Americium, 95Am| ngoi-kôn |
|---|
silvery white
Spectral lines of americium |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Americium, Am |
|---|
| ngoi-hìn |
silvery white |
|---|
| Americium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
95 |
|---|
| ngièn-chṳ́-liòng |
(243) |
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| ngièn-su lui-phe̍t |
actinium-hi |
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| Chhu̍k, fûn-khî |
n/a, f-block |
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| chû-khì |
period 7 |
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| thien-chṳ́ phài-lie̍t |
[Rn] 5f7 7s2 |
|---|
| per shell |
2, 8, 18, 32, 25, 8, 2 |
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| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
1449 K (1176 °C, 2149 °F) |
|---|
| pui-tiám |
2880 K (2607 °C, 4725 °F) (calculated) |
|---|
| Me̍t-thu near Sit-vûn |
12 g·cm−3 |
|---|
| Yùng-fa-ngie̍t |
14.39 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
62.7 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| chhai T (K) |
1239 |
1356 |
|
|
|
|
|
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
8, 7, 6, 5, 4, 3, 2 (an amphoteric oxide) |
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| Thien-fu-sin |
Pauling scale: 1.3 |
|---|
| Thien-lì-nèn |
1st: 578 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 173 pm |
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| Khiung-ka pan-kang |
180±6 pm |
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| Miscellanea |
|---|
| Chîn-thí keu-chho |
double hexagonal close-packed (dhcp) |
|---|
| Ngie̍t-chhòn-thô-li̍t |
10 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
0.69 µΩ·m[1] |
|---|
| Chhṳ̀-sin |
paramagnetic |
|---|
| CAS Registry Number |
7440-35-9 |
|---|
| Le̍k-sú |
|---|
| Hí-miàng |
after the Americas |
|---|
| Fat-hien |
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso (1944) |
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| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Americium ke thùng-vi-su |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 241Am |
syn |
432.2 y |
SF |
– |
– |
| α |
5.486 |
237Np |
| 242m1Am |
syn |
141 y |
IT |
242Am |
| α |
238Np |
| SF |
– |
| 243Am |
syn |
7370 y |
SF |
– |
– |
| α |
5.275 |
239Np |
|
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