Zirconium, 40 Zr Ki-pún sèng-chit Miâ, hû-hō zirconium, Zr Gōa-hêng silvery white Zirconium tī chiu-kî-piáu lāi ê ūi-tì Goân-chú-hoan 40 Goân-chú-liōng (±) 91.224(2) Goân-sò͘ lūi-pia̍t kòe-tō͘ kim-sio̍k Cho̍k , hun-khu 4 cho̍k , d khu Chiu-kî tē 5 chiu-kî Tiān-chú pâi-lia̍t [Kr ] 4d2 5s2 per shell 2, 8, 18, 10, 2 Bu̍t-lí sèng-chit Siòng solid Iûⁿ-tiám 2128 K (1855 °C, 3371 °F) Hut-tiám 4650 K (4377 °C, 7911 °F) Bi̍t-tō͘ (sek-un ) 6.52 g·cm−3 5.8 g·cm−3 Iûⁿ-hoà-jia̍t 14 kJ·mol−1 Cheng-hoat-jia̍t 591 kJ·mol−1 Jia̍t-iông-liōng 25.36 J·mol−1 ·K−1 cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 2639 2891 3197 3575 4053 4678
Goân-chú sèng-chit Sng-hòa-sò͘ 4 , 3, 2, 1, −2 (an amphoteric oxide) Tiān-hū-tō͘ Pauling scale: 1.33 Tiān-lī-lêng 1st: 640.1 kJ·mol−1 2nd: 1270 kJ·mol−1 3rd: 2218 kJ·mol−1 Goân-chú pòaⁿ-kèng empirical: 160 pm Kiōng-kè pòaⁿ-kèng 175±7 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō hexagonal close-packed (hcp) Siaⁿ-sok (sòe kùn-á) 3800 m·s−1 (at 20 °C) Jia̍t-phòng-tiòng 5.7 µm·m−1 ·K−1 (at 25 °C) Jia̍t-thoân-tō-lu̍t 22.6 W·m−1 ·K−1 Tiān-chó͘-lu̍t 421 nΩ·m (at 20 °C) Chû-sèng paramagnetic Young hē-sò͘ 88 GPa Shear hē-sò͘ 33 GPa Bulk hē-sò͘ 91.1 GPa Poisson pí 0.34 Mohs ngē-tō͘ 5.0 Vickers ngē-tō͘ 820–1800 MPa Brinell ngē-tō͘ 638–1880 MPa CAS teng-kì pian-hō 7440-67-7 Le̍k-sú Hō-miâ after zircon , zargun زرگون meaning "gold-colored". Hoat-hiān Martin Heinrich Klaproth (1789) Siōng chá hû-lî Jöns Jakob Berzelius (1824) Chòe ún-tēng ê tông-ūi-sò͘ Chú bûn-chiong: zirconium ê tông-ūi-sò͘ iso NA half-life DM DE (MeV) DP 88 Zr syn 83.4 d ε – 88 Y γ 0.392D – 89 Zr syn 78.4 h ε – 89 Y β+ 0.902 89 Y γ 0.909D – 90 Zr 51.45% 90 Zr is stable with 50 neutron s 91 Zr 11.22% 91 Zr is stable with 51 neutrons 92 Zr 17.15% 92 Zr is stable with 52 neutrons 93 Zr trace 1.53×106 y β− 0.060 93 Nb 94 Zr 17.38% >1.1×1017 y (β− β− ) 1.144 94 Mo 96 Zr 2.8% 2.0×1019 y β− β− 3.348 96 Mo (β− ) – 96 Nb
Decay modes in parentheses are predicted, but have not yet been observed
Chham-khó
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