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