ngoi-kôn
silvery lustrous gray Kî-pún sin-sit Miàng, fù-ho
Indium, In ngoi-hìn
silvery lustrous gray Indium chhai chû-khì-péu ke vi-chi
ngièn-chṳ́ sì-sú
49 ngièn-chṳ́-liòng (±)
114.818(1)[1] ngièn-su lui-phe̍t
heu-ko-thu kîm-su̍k Chhu̍k , fûn-khî
13 chhu̍k , p-block chû-khì
period 5 thien-chṳ́ phài-lie̍t
[Kr ] 4d10 5s2 5p1 per shell
2, 8, 18, 18, 3 vu̍t-lî sin-chṳt Siông
ku-thí yùng-tiám
429.7485 K (156.5985 °C, 313.8773 °F) pui-tiám
2345 K (2072 °C, 3762 °F) Me̍t-thu near Sit-vûn
7.31 g·cm−3
7.02 g·cm−3 Sâm-siong-tiám
429.7445 K, ~1 kPa[2] Yùng-fa-ngie̍t
3.281 kJ·mol−1 Chîn-fat-ngie̍t
231.8 kJ·mol−1 Ngie̍t-yùng-liong
26.74 J·mol−1 ·K−1
chîn-hi-ap
P (Pa)
1
10
100
1 k
10 k
100 k
chhai T (K)
1196
1325
1485
1690
1962
2340
Ngièn-chṳ́ sin-chṳt Yông-fa-su
3 , 2, 1, −1, −2, −5[3] (an amphoteric oxide) Thien-fu-sin
Pauling scale: 1.78 Thien-lì-nèn
1st: 558.3 kJ·mol−1 2nd: 1820.7 kJ·mol−1 3rd: 2704 kJ·mol−1 Ngièn-chṳ́ pan-kang
empirical: 167 pm Khiung-ka pan-kang
142±5 pm Van der Waals pan-kang
193 pm Miscellanea Chîn-thí keu-chho
tetragonal Sâng-suk thin rod
1215 m·s−1 (at 20 °C) Ngie̍t-phàng-chong
32.1 µm·m−1 ·K−1 (at 25 °C) Ngie̍t-chhòn-thô-li̍t
81.8 W·m−1 ·K−1 Thien-chú-li̍t
83.7 nΩ·m (at 20 °C) Chhṳ̀-sin
diamagnetic [4] Young's modulus
11 GPa Mohs hardness
1.2 Brinell hardness
8.8–10.0 MPa CAS Registry Number
7440-74-6 Le̍k-sú Fat-hien
Ferdinand Reich and Hieronymous Theodor Richter (1863) First isolation
Hieronymous Theodor Richter (1867) Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Indium ke thùng-vi-su
Decay modes in parentheses are predicted, but have not yet been observed