Americium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 95, hoà-ha̍k hû-hō sī Am.
Quick facts Ki-pún sèng-chit, Miâ, hû-hō ...
Americium, 95Am |
 Spectral lines of americium |
|
| Miâ, hû-hō | americium, Am |
|---|
| Gōa-hêng | silvery white |
|---|
|
|
|
| Goân-chú-hoan | 95 |
|---|
| Goân-chú-liōng | (243) |
|---|
| Goân-sò͘ lūi-pia̍t | actinium-hē |
|---|
| Cho̍k, hun-khu | n/a, f khu |
|---|
| Chiu-kî | tē 7 chiu-kî |
|---|
| Tiān-chú pâi-lia̍t | [Rn] 5f7 7s2 |
|---|
| per shell | 2, 8, 18, 32, 25, 8, 2 |
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|
| Siòng | kò͘-thé |
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| Iûⁿ-tiám | 1449 K (1176 °C, 2149 °F) |
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| Hut-tiám | 2880 K (2607 °C, 4725 °F) (calculated) |
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| Bi̍t-tō͘ (sek-un) | 12 g·cm−3 |
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| Iûⁿ-hoà-jia̍t | 14.39 kJ·mol−1 |
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| Jia̍t-iông-liōng | 62.7 J·mol−1·K−1 |
|---|
cheng-khì-ap
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| tī T (K) |
1239 |
1356 |
|
|
|
|
|
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| Sng-hòa-sò͘ | 8, 7, 6, 5, 4, 3, 2 (an amphoteric oxide) |
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| Tiān-hū-tō͘ | Pauling scale: 1.3 |
|---|
| Tiān-lī-lêng | 1st: 578 kJ·mol−1 |
|---|
| Goân-chú pòaⁿ-kèng | empirical: 173 pm |
|---|
| Kiōng-kè pòaⁿ-kèng | 180±6 pm |
|---|
|
| Chiⁿ-thé kò͘-chō | double hexagonal close-packed (dhcp) |
|---|
| Jia̍t-thoân-tō-lu̍t | 10 W·m−1·K−1 |
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| Tiān-chó͘-lu̍t | 0.69 µΩ·m[1] |
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| Chû-sèng | paramagnetic |
|---|
| CAS teng-kì pian-hō | 7440-35-9 |
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|
| Hō-miâ | after the Americas |
|---|
| Hoat-hiān | Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso (1944) |
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|
| Chú bûn-chiong: americium ê tông-ūi-sò͘ |
| iso |
NA |
half-life |
DM |
DE (MeV) |
DP |
| 241Am |
syn |
432.2 y |
SF |
– |
– |
| α |
5.486 |
237Np |
| 242m1Am |
syn |
141 y |
IT |
0.049 |
242Am |
| α |
5.637 |
238Np |
| SF |
– |
– |
| 243Am |
syn |
7370 y |
SF |
– |
– |
| α |
5.275 |
239Np |
|
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"Americium" sī ēng Bí-chiu ê Eng-bûn miâ-jī "America" khí--ê.
