Technetium, 43 Tc 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
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 acid ic 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
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 .