Phi-sò͘

**Phi-sò͘, ₃₃As**
Ki-pún sèng-chit
Miâ, hû-hō	Phi-sò͘, As
Eng-bûn	arsenic
Tông-sò͘-thé	grey (most common), yellow, black
Gōa-hêng	metallic grey
Phi-sò͘ tī chiu-kî-piáu lāi ê ūi-tì
	germanium ← Phi-sò͘ → selenium
Goân-chú-hoan	33
Goân-chú-liōng (±)	74.921595(6)
Goân-sò͘ lūi-pia̍t	lūi-kim-sio̍k
Cho̍k, hun-khu	15 cho̍k, p khu
Chiu-kî	tē 4 chiu-kî
Tiān-chú pâi-lia̍t	[Ar] 3d10 4s2 4p3
per shell	2, 8, 18, 5
Bu̍t-lí sèng-chit
Siòng	kò͘-thé
Sublimation point	887 K (615 °C, 1137 °F)
Bi̍t-tō͘ (sek-un)	5.727 g·cm−3
	5.22 g·cm−3
Sam-siòng-tiám	1090 K, 3628 kPa
Lîm-kài-tiám	1673 K, ? MPa
Iûⁿ-hoà-jia̍t	grey: 24.44 kJ·mol−1
Cheng-hoat-jia̍t	34.76 kJ·mol−1 (?)
Jia̍t-iông-liōng	24.64 J·mol−1·K−1
Goân-chú sèng-chit
Sng-hòa-sò͘	5, 4, 3, 2, 1, −1, −2, −3 (a mildly acidic oxide)
Tiān-hū-tō͘	Pauling scale: 2.18
Tiān-lī-lêng	1st: 947.0 kJ·mol−1 ; 2nd: 1798 kJ·mol−1 ; 3rd: 2735 kJ·mol−1 ; (more)
Goân-chú pòaⁿ-kèng	empirical: 119 pm
Kiōng-kè pòaⁿ-kèng	119±4 pm
Van der Waals pòaⁿ-kèng	185 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	rhombohedral
Jia̍t-phòng-tiòng	5.6 µm·m−1·K−1 (at r.t.)
Jia̍t-thoân-tō-lu̍t	50.2 W·m−1·K−1
Tiān-chó͘-lu̍t	333 nΩ·m (at 20 °C)
Chû-sèng	diamagnetic
Young hē-sò͘	8 GPa
Bulk hē-sò͘	22 GPa
Mohs ngē-tō͘	3.5
Brinell ngē-tō͘	1440 MPa
CAS teng-kì pian-hō	7440-38-2
Le̍k-sú
Hoat-hiān	Early Bronze Age (2500 BC)
Siōng chá hû-lî	Albertus Magnus (1250)
Chòe ún-tēng ê tông-ūi-sò͘
	Chú bûn-chiong: Phi-sò͘ ê tông-ūi-sò͘

Phi-sò͘ (砒素), Eng-gí miâ arsenic, La-teng miâ Arsenicum, sī chi̍t khoán hoà-ha̍k goân-sò͘, kì-hō As, goân-chú-hoan 33.

Chham-khó chu-liāu

[1]

[2]

[3]

[4]

[5]