Yttrium

Yttrium,  ₃₉Y

Ki-pún sèng-chit
Miâ, hû-hō	yttrium, Y
Gōa-hêng	silvery white
Yttrium tī chiu-kî-piáu lāi ê ūi-tì
Sc ↑ Y ↓ Lu strontium ← yttrium → zirconium
Goân-chú-hoan	39
Goân-chú-liōng (±)	88.90584(2)
Goân-sò͘ lūi-pia̍t	kòe-tō͘ kim-sio̍k
Cho̍k, hun-khu	3 cho̍k, d khu
Chiu-kî	tē 5 chiu-kî
Tiān-chú pâi-lia̍t	[Kr] 4d1 5s2
per shell	2, 8, 18, 9, 2
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	1799 K ​(1526 °C, ​2779 °F)
Hut-tiám	3203 K ​(2930 °C, ​5306 °F)
Bi̍t-tō͘  (sek-un)	4.472 g·cm−3
4.24 g·cm−3
Iûⁿ-hoà-jia̍t	11.42 kJ·mol−1
Cheng-hoat-jia̍t	363 kJ·mol−1
Jia̍t-iông-liōng	26.53 J·mol−1·K−1
cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 1883 2075 (2320) (2627) (3036) (3607)
Goân-chú sèng-chit
Sng-hòa-sò͘	3, 2, 1 ​(a weakly basic oxide)
Tiān-hū-tō͘	Pauling scale: 1.22
Tiān-lī-lêng	1st: 600 kJ·mol−1 2nd: 1180 kJ·mol−1 3rd: 1980 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 180 pm
Kiōng-kè pòaⁿ-kèng	190±7 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​hexagonal close-packed (hcp)
Siaⁿ-sok (sòe kùn-á)	3300 m·s−1 (at 20 °C)
Jia̍t-phòng-tiòng	α, poly: 10.6 µm·m−1·K−1 (at r.t.)
Jia̍t-thoân-tō-lu̍t	17.2 W·m−1·K−1
Tiān-chó͘-lu̍t	α, poly: 596 nΩ·m (at r.t.)
Chû-sèng	paramagnetic
Young hē-sò͘	63.5 GPa
Shear hē-sò͘	25.6 GPa
Bulk hē-sò͘	41.2 GPa
Poisson pí	0.243
Brinell ngē-tō͘	200–589 MPa
CAS teng-kì pian-hō	7440-65-5
Le̍k-sú
Hō-miâ	after Ytterby, Sweden and its mineral ytterbite (gadolinite)
Hoat-hiān	Johan Gadolin (1794)
Siōng chá hû-lî	Carl Gustav Mosander (1840)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: yttrium ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP 87Y syn 3.35 d ε – 87Sr γ 0.48, 0.38D – 88Y syn 106.6 d ε – 88Sr γ 1.83, 0.89 – 89Y 100% 89Y is stable with 50 neutrons 90Y syn 2.67 d β− 2.28 90Zr γ 2.18 – 91Y syn 58.5 d β− 1.54 91Zr γ 1.20 –

Yttrium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 39, hoà-ha̍k hû-hō sī Y.