Molybdenum

Molybdenum sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 42, hoà-ha̍k hû-hō sī Mo.

Molybdenum,  ₄₂Mo

Ki-pún sèng-chit
Miâ, hû-hō	molybdenum, Mo
Gōa-hêng	gray metallic
Molybdenum tī chiu-kî-piáu lāi ê ūi-tì
Cr ↑ Mo ↓ W niobium ← molybdenum → technetium
Goân-chú-hoan	42
Goân-chú-liōng (±)	95.95(1)
Goân-sò͘ lūi-pia̍t	kòe-tō͘ kim-sio̍k
Cho̍k, hun-khu	6 cho̍k, d khu
Chiu-kî	tē 5 chiu-kî
Tiān-chú pâi-lia̍t	[Kr] 4d5 5s1
per shell	2, 8, 18, 13, 1
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	2896 K ​(2623 °C, ​4753 °F)
Hut-tiám	4912 K ​(4639 °C, ​8382 °F)
Bi̍t-tō͘  (sek-un)	10.28 g·cm−3
9.33 g·cm−3
Iûⁿ-hoà-jia̍t	37.48 kJ·mol−1
Cheng-hoat-jia̍t	598 kJ·mol−1
Jia̍t-iông-liōng	24.06 J·mol−1·K−1
cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) 2742 2994 3312 3707 4212 4879
Goân-chú sèng-chit
Sng-hòa-sò͘	6, 5, 4, 3, 2, 1, −1, −2, −4 ​(a strongly acidic oxide)
Tiān-hū-tō͘	Pauling scale: 2.16
Tiān-lī-lêng	1st: 684.3 kJ·mol−1 2nd: 1560 kJ·mol−1 3rd: 2618 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 139 pm
Kiōng-kè pòaⁿ-kèng	154±5 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​body-centered cubic (bcc)
Siaⁿ-sok (sòe kùn-á)	5400 m·s−1 (at r.t.)
Jia̍t-phòng-tiòng	4.8 µm·m−1·K−1 (at 25 °C)
Jia̍t-thoân-tō-lu̍t	138 W·m−1·K−1
Jia̍t-khok-sàn-lu̍t	54.3 mm2·s−1 (at 300 K)
Tiān-chó͘-lu̍t	53.4 nΩ·m (at 20 °C)
Chû-sèng	paramagnetic
Young hē-sò͘	329 GPa
Shear hē-sò͘	126 GPa
Bulk hē-sò͘	230 GPa
Poisson pí	0.31
Mohs ngē-tō͘	5.5
Vickers ngē-tō͘	1400–2740 MPa
Brinell ngē-tō͘	1370–2500 MPa
CAS teng-kì pian-hō	7439-98-7
Le̍k-sú
Hoat-hiān	Carl Wilhelm Scheele (1778)
Siōng chá hû-lî	Peter Jacob Hjelm (1781)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: molybdenum ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP 92Mo 14.84% >1.9×1020 y (β+β+) 1.6491 92Zr 93Mo syn 4×103 y ε – 93Nb 94Mo 9.25% – (SF) <4.485 95Mo 15.92% – (SF) <4.531 96Mo 16.68% – (SF) <5.771 97Mo 9.55% – (SF) <6.226 98Mo 24.13% >1×1014 y (β−β−) 0.1125 98Ru 99Mo syn 65.94 h β− 0.436, 1.214 99mTc γ 0.74, 0.36, 0.14 – 100Mo 9.63% 7.8×1018 y β−β− 3.04 100Ru
Decay modes in parentheses are predicted, but have not yet been observed