Americium

Americium,  ₉₅Am

Spectral lines of americium
Ki-pún sèng-chit
Miâ, hû-hō	americium, Am
Gōa-hêng	silvery white
Americium tī chiu-kî-piáu lāi ê ūi-tì
Eu ↑ Am ↓ (Uqs) plutonium ← americium → curium
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
Bu̍t-lí sèng-chit
Siòng	kò͘-thé
Iûⁿ-tiám	1449 K ​(1176 °C, ​2149 °F)
Hut-tiám	2880 K ​(2607 °C, ​4725 °F) (calculated)
Bi̍t-tō͘  (sek-un)	12 g·cm−3
Iûⁿ-hoà-jia̍t	14.39 kJ·mol−1
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
Goân-chú sèng-chit
Sng-hòa-sò͘	8, 7, 6, 5, 4, 3, 2 ​(an amphoteric oxide)
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
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​double hexagonal close-packed (dhcp)
Jia̍t-thoân-tō-lu̍t	10 W·m−1·K−1
Tiān-chó͘-lu̍t	0.69 µΩ·m[1]
Chû-sèng	paramagnetic
CAS teng-kì pian-hō	7440-35-9
Le̍k-sú
Hō-miâ	after the Americas
Hoat-hiān	Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso (1944)
Chòe ún-tēng ê tông-ūi-sò͘
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

Americium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 95, hoà-ha̍k hû-hō sī Am.

"Americium" sī ēng Bí-chiu ê Eng-bûn miâ-jī "America" khí--ê.

Chham-khó