Technetium,  ₄₃Tc

ngoi-kôn
shiny gray metal
Kî-pún sin-sit
Miàng, fù-ho	Technetium, Tc
ngoi-hìn	shiny gray metal
Technetium chhai chû-khì-péu ke vi-chi
Mn ↑ Tc ↓ Re molybdenum ← Technetium → ruthenium
ngièn-chṳ́ sì-sú	43
ngièn-chṳ́-liòng	[98]
ngièn-su lui-phe̍t	ko-thu kîm-su̍k
Chhu̍k, fûn-khî	7 chhu̍k, d-block
chû-khì	period 5
thien-chṳ́ phài-lie̍t	[Kr] 4d5 5s2
per shell	2, 8, 18, 13, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	2430 K ​(2157 °C, ​3915 °F)
pui-tiám	4538 K ​(4265 °C, ​7709 °F)
Me̍t-thu near Sit-vûn	11 g·cm−3
Yùng-fa-ngie̍t	33.29 kJ·mol−1
Chîn-fat-ngie̍t	585.2 kJ·mol−1
Ngie̍t-yùng-liong	24.27 J·mol−1·K−1
chîn-hi-ap (extrapolated) P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 2727 2998 3324 3726 4234 4894
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	7, 6, 5, 4, 3,[1] 2, 1,[1] −1, −3 ​(a strongly acidic oxide)
Thien-fu-sin	Pauling scale: 1.9
Thien-lì-nèn	1st: 702 kJ·mol−1 2nd: 1470 kJ·mol−1 3rd: 2850 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 136 pm
Khiung-ka pan-kang	147±7 pm
Miscellanea
Chîn-thí keu-chho	​hexagonal close-packed (hcp)
Sâng-suk thin rod	16,200 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	7.1 µm·m−1·K−1[2] (at r.t.)
Ngie̍t-chhòn-thô-li̍t	50.6 W·m−1·K−1
Thien-chú-li̍t	200 nΩ·m (at 20 °C)
Chhṳ̀-sin	Paramagnetic
CAS Registry Number	7440-26-8
Le̍k-sú
Yi-chhet	Dmitri Mendeleev (1871)
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘	Emilio Segrè and Carlo Perrier (1937)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Technetium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 95mTc syn 61 d ε 95Mo γ – IT 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 –

Technetium (Hon-ngî: 鎝 tǎ fe̍t-chá 鍀 dé) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Tc, ngièn-chṳ́ su-muk he 43.