Carbòni www.tool-tool.com

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6 bòr ← carbòni → azòt - ↑ C ↓ Si Taula periodica
Generalitats
Nom, Simbòl, Numero	carbòni, C, 6
Tièra quimica	nonmetals
Grop, Periòde, Blòc	14, 2, p
Aparéncia	negre (grafit) incolòr (diamant)
Massa atomica	12.0107(8) g/mol
Configuracion electronica	1s2 2s2 2p2
Electrons per nivèl energetic	2, 4
Proprietats fisicas
Fasa	solid
Densitat (temperatura ambienta)	(grafit) 2.267 g/cm³
Densitat (temperatura ambienta)	(diamant) 3.513 g/cm³
Punt de fusion	? 4300-4700 K (? °C, ? °F)
Punt d'ebullicion	subl. ? ca. 4000 K (? °C, ? °F)
Calor de fusion	(grafit) ? 100 kJ/mol
Calor de fusion	(diamant) ? 120 kJ/mol
Calor de vaporizacion	? 355.8 kJ/mol
Capacitat calorifica	(25 °C) (grafit) 8.517 J/(mol·K)
Capacitat calorifica	(25 °C) (diamant) 6.115 J/(mol·K)
Pression de vapor (grafit) P/Pa 1 10 100 1 k 10 k 100 k a T/K 2839 3048 3289 3572 3908
Proprietats atomicas
Estructura cristallina	exagonala
Estat d'oxidacion	4, 2 (oxid leugièrament acid)
Electronegativitat	2.55 (Escala de Pauling)
Potencials d'ionizacion (mai)	1èr : 1086.5 kJ/mol
	2nd : 2352.6 kJ/mol
	3en : 4620.5 kJ/mol
Rai atomic	70 pm
Rai atomic calculat	67 pm
Rai covalent	77 pm
Rai de Van der Waals	170 pm
Informacions divèrsas
Magnetisme	diamagnetic
Conductivitat termica	(300 K) (grafit) (119–165) W/(m·K)
Conductivitat termica	(300 K) (diamant) (900–2320) W/(m·K)
Duretat de Mohs	(grafit) 0.5
Duretat de Mohs	(diamant) 10.0
Numèro CAS	7440-44-0
Isotòps mai estables
Article : Isotòps del (de l') carbòni iso NA Mièja vida MD ED (MeV) PD 12C 98.9% C es estable amb 6 neutrons 13C 1.1% C es estable amb 7 neutrons 14C trace 5730 y beta- 0.156 14N
Reférencias

BW Bewise Inc. Willy Chen willy@tool-tool.com bw@tool-tool.com www.tool-tool.com skype:willy_chen_bw mobile:0937-618-190 Head &Administration Office No.13,Shiang Shang 2nd St., West Chiu Taichung,Taiwan 40356 TEL:+886 4 24710048 / FAX:+886 4 2471 4839 N.Branch 5F,No.460,Fu Shin North Rd.,Taipei,Taiwan S.Branch No.24,Sec.1,Chia Pu East Rd.,Taipao City,Chiayi Hsien,Taiwan

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