ngoi-kôn silvery white Kî-pún sin-sit Miàng,fù-ho Yttrium, Y ngoi-hìn silvery white Yttrium chhaichû-khì-péu ke vi-chi ngièn-chṳ́ sì-sú 39 ngièn-chṳ́-liòng (±) 88.90584(2)[ 1] ngièn-su lui-phe̍t ko-thu kîm-su̍k Chhu̍k ,fûn-khî 3 chhu̍k d-block chû-khì period 5 thien-chṳ́ phài-lie̍t [Kr ] 4d1 5s2 per shell 2, 8, 18, 9, 2 vu̍t-lî sin-chṳt Siông ku-thí yùng-tiám 1799 K (1526 °C, 2779 °F) pui-tiám 3203 K (2930 °C, 5306 °F) Me̍t-thu near Sit-vûn 4.472 g·cm−3 4.24 g·cm−3 Yùng-fa-ngie̍t 11.42 kJ·mol−1 Chîn-fat-ngie̍t 363 kJ·mol−1 Ngie̍t-yùng-liong 26.53 J·mol−1 −1 chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 1883 2075 (2320) (2627) (3036) (3607)
Ngièn-chṳ́ sin-chṳt Yông-fa-su 3 , 2, 1Thien-fu-sin Pauling scale: 1.22 Thien-lì-nèn 1st: 600 kJ·mol−1 −1 −1 Ngièn-chṳ́ pan-kang empirical: 180 pm Khiung-ka pan-kang 190±7 pm Miscellanea Chîn-thí keu-chho hexagonal close-packed (hcp) Sâng-suk thin rod 3300 m·s−1 Ngie̍t-phàng-chong α, poly: 10.6 µm·m−1 −1 r.t.) Ngie̍t-chhòn-thô-li̍t 17.2 W·m−1 −1 Thien-chú-li̍t α, poly: 596 nΩ·m (atr.t.) Chhṳ̀-sin paramagnetic [ 2] Young's modulus 63.5 GPa Shear modulus 25.6 GPa Bulk modulus 41.2 GPa Poisson ratio 0.243 Brinell hardness 200–589 MPa CAS Registry Number 7440-65-5 Le̍k-sú Hí-miàng afterYtterby , Sweden and its mineralytterbite (gadolinite) Fat-hien Johan Gadolin (1794) First isolation Carl Gustav Mosander (1840) Chui vún-thin ke thùng-vi-su Chú vùn-chông:Yttrium ke thùng-vi-su 
