Ak-sò͘

Ak-sò͘ (eng. iodine; ji̍t. 沃素) sī chi̍t khoán hoà-ha̍k goân-sò͘, mā ū hō ai-o-tian ia̍h ai-o-tīn^[3], Hàn-bûn kóng tián (碘), hoà-ha̍k kì-hō I, goân-chú-hoan 53.

Ak-sò͘,  ₅₃I

Ki-pún sèng-chit
Miâ, hû-hō	Ak-sò͘, I
Eng-bûn	iodine
Phian-miâ	tián
Gōa-hêng	lustrous metallic gray, violet as a gas
Ak-sò͘ tī chiu-kî-piáu lāi ê ūi-tì
Br ↑ I ↓ At telurium ← Ak-sò͘ → xenon
Goân-chú-hoan	53
Goân-chú-liōng (±)	126.90447(3)[1]
Goân-sò͘ lūi-pia̍t	siang-goân-chú hui-kim-sio̍k
Cho̍k, hun-khu	17 cho̍k, p khu
Chiu-kî	tē 5 chiu-kî
Tiān-chú pâi-lia̍t	[Kr] 4d10 5s2 5p5
per shell	2, 8, 18, 18, 7
Bu̍t-lí sèng-chit
Siòng	kò͘-thé
Iûⁿ-tiám	386.85 K ​(113.7 °C, ​236.66 °F)
Hut-tiám	457.4 K ​(184.3 °C, ​363.7 °F)
Bi̍t-tō͘  (sek-un)	4.933 g·cm−3
Sam-siòng-tiám	386.65 K, ​12.1 kPa
Lîm-kài-tiám	819 K, 11.7 MPa
Iûⁿ-hoà-jia̍t	(I2) 15.52 kJ·mol−1
Cheng-hoat-jia̍t	(I2) 41.57 kJ·mol−1
Jia̍t-iông-liōng	(I2) 54.44 J·mol−1·K−1
cheng-khì-ap (rhombic) P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 260 282 309 342 381 457
Goân-chú sèng-chit
Sng-hòa-sò͘	7, 6, 5, 4, 3, 1, −1 ​(a strongly acidic oxide)
Tiān-hū-tō͘	Pauling scale: 2.66
Tiān-lī-lêng	1st: 1008.4 kJ·mol−1 2nd: 1845.9 kJ·mol−1 3rd: 3180 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 140 pm
Kiōng-kè pòaⁿ-kèng	139±3 pm
Van der Waals pòaⁿ-kèng	198 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​orthorhombic
Jia̍t-thoân-tō-lu̍t	0.449 W·m−1·K−1
Tiān-chó͘-lu̍t	1.3×107 Ω·m (at 0 °C)
Chû-sèng	diamagnetic[2]
Bulk hē-sò͘	7.7 GPa
CAS teng-kì pian-hō	7553-56-2
Le̍k-sú
Hoat-hiān kap siōng chá ê tông-ūi-sò͘	Bernard Courtois (1811)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: Ak-sò͘ ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP 123I syn 13 h ε, γ 0.16 123Te 124I syn 4.176 d ε – 124Te 125I syn 59.40 d ε – 125Te 127I 100% – (SF) <29.961 129I trace 1.57×107 y β− 0.194 129Xe 131I syn 8.02070 d β−, γ 0.971 131Xe 135I syn 6.57 h β− – 135Xe
Decay modes in parentheses are predicted, but have not yet been observed