Technetium

Technetium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 43, hoà-ha̍k hû-hō sī Tc.

Technetium,  ₄₃Tc

Ki-pún sèng-chit
Miâ, hû-hō	technetium, Tc
Gōa-hêng	shiny gray metal
Technetium tī chiu-kî-piáu lāi ê ūi-tì
Mn ↑ Tc ↓ Re molybdenum ← technetium → ruthenium
Goân-chú-hoan	43
Goân-chú-liōng	[98]
Goân-sò͘ lūi-pia̍t	kòe-tō͘ kim-sio̍k
Cho̍k, hun-khu	7 cho̍k, d khu
Chiu-kî	tē 5 chiu-kî
Tiān-chú pâi-lia̍t	[Kr] 4d5 5s2
per shell	2, 8, 18, 13, 2
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	2430 K ​(2157 °C, ​3915 °F)
Hut-tiám	4538 K ​(4265 °C, ​7709 °F)
Bi̍t-tō͘  (sek-un)	11 g·cm−3
Iûⁿ-hoà-jia̍t	33.29 kJ·mol−1
Cheng-hoat-jia̍t	585.2 kJ·mol−1
Jia̍t-iông-liōng	24.27 J·mol−1·K−1
cheng-khì-ap (extrapolated) P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 2727 2998 3324 3726 4234 4894
Goân-chú sèng-chit
Sng-hòa-sò͘	7, 6, 5, 4, 3, 2, 1, −1, −3 ​(a strongly acidic oxide)
Tiān-hū-tō͘	Pauling scale: 1.9
Tiān-lī-lêng	1st: 702 kJ·mol−1 2nd: 1470 kJ·mol−1 3rd: 2850 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 136 pm
Kiōng-kè pòaⁿ-kèng	147±7 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​hexagonal close-packed (hcp)
Siaⁿ-sok (sòe kùn-á)	16,200 m·s−1 (at 20 °C)
Jia̍t-phòng-tiòng	7.1 µm·m−1·K−1 (at r.t.)
Jia̍t-thoân-tō-lu̍t	50.6 W·m−1·K−1
Tiān-chó͘-lu̍t	200 nΩ·m (at 20 °C)
Chû-sèng	Paramagnetic
CAS teng-kì pian-hō	7440-26-8
Le̍k-sú
Chhui-chhek	Dmitri Mendeleev (1871)
Hoat-hiān kap siōng chá ê tông-ūi-sò͘	Emilio Segrè and Carlo Perrier (1937)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: technetium ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP 95mTc syn 61 d ε – 95Mo γ 0.204, 0.582, 0.835 – IT 0.0389, e 95Tc 96Tc syn 4.3 d ε – 96Mo γ 0.778, 0.849, 0.812 – 97Tc syn 2.6×106 y ε – 97Mo 97mTc syn 91 d IT 0.965, e 97Tc 98Tc syn 4.2×106 y β− 0.4 98Ru γ 0.745, 0.652 – 99Tc trace 2.111×105 y β− 0.294 99Ru 99mTc syn 6.01 h IT 0.142, 0.002 99Tc γ 0.140 –