General: |
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Name: Zinc
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Symbol: Zn
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Group: Trans. Met.
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Atomic weight: 65.38
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Density @ 293 K: 7.14 g/cm3
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Atomic volume: 9.2 cm3/mol
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Group: Trans. Met.
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discovered: 1600
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States: |
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state (s, l, g): s
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melting point: 692.78 K
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boiling point: 1180 K
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Heat of fusion: 7.322 kJ/mol
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Heat of vaporization: 115.30 kJ/mol
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Energies: |
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1st ionization energy: 906.4 kJ/mole
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electronegativity: 1.65
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2nd ionization energy: 1733.2 kJ/mole
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electron affinity: kJ/mole
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3rd ionization energy: 3832.6 kJ/mole
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Specific heat: 0.39 J/gK
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heat atomization: 131 kJ/mole atoms
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Oxidation & Electrons: |
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Shells: 2,8,18,2
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electron configuration: [Ar] 3d10 4s2
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minimum oxidation number: 0
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maximum oxidation number: 2
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min. common oxidation no.: 0
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max. common oxidation no.: 2
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Appearance & Characteristics: |
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structure: distorted hcp structure
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color: silvery
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uses: batteries, galvanizing
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toxicity:
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hardness: 2.5 mohs
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characteristics: brittle
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Reactions: |
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reaction with air: vigorous, =>ZnO
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reaction with 6M HCl: mild, =>H2, ZnCl2
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reaction with 6M HCl: mild, =>H2, ZnCl2
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reaction with 15M HNO3: vigorous, =>Zn(NO3)2, NOx
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reaction with 6M NaOH: mild, =>[Zn(OH)4](2-), H2
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Other Forms: |
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number of isotopes: 5
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hydride(s): ZnH2
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oxide(s): ZnO
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chloride(s): ZnCl2
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Radius: |
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ionic radius (2- ion): pm
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ionic radius (1- ion): pm
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atomic radius: 134 pm
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ionic radius (1+ ion): pm
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ionic radius (2+ ion): 88 pm
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ionic radius (3+ ion): pm
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Conductivity: |
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thermal conductivity: 116 J/m-sec-deg
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electrical conductivity: 169.033 1/mohm-cm
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polarizability: 6.4 A^3
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Abundance: |
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source: Sphalerite (sulfide)
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rel. abund. solar system: 3.100 log
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abundance earth's crust: 1.79 log
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cost, pure: 3.7 $/100g
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cost, bulk: 0.12 $/100g
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