User:Femto/elements e4

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• Obsolete, merged into articles
• page E1 — H He Li Be B C N O F Ne
• page E2 — Na Mg Al Si P S Cl Ar
• page E3 — K Ca Ga Ge As Se Br Kr
• page E4 — Sc Ti V Cr Mn Fe Co Ni Cu Zn
• page E5 — Rb Sr In Sn Sb Te I Xe
• page E6 — Y Zr Nb Mo Tc Ru Rh Pd Ag Cd
• page E7 — Cs Ba Tl Pb Bi Po At Rn
• page E8 — La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
• page E9 — Lu Hf Ta W Re Os Ir Pt Au Hg
• page E10 — Fr Ra Lr Rf Db Sg Bh Hs Mt Ds Rg Uub Uut Uuq Uup Uuh
• page E11 — Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No

Contents 1 scandium 2 titanium 3 vanadium 4 chromium 5 manganese 6 iron 7 cobalt 8 nickel 9 copper 10 zinc

[edit] scandium

21 calcium ← scandium → titanium - ↑ Sc ↓ Y Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	scandium, Sc, 21
Chemical series	transition metals
Group, Period, Block	3, 4, d
Appearance	silvery white
Standard atomic weight	44.955910(8)  g·mol−1
Electron configuration	[Ar] 3d1 4s2
Electrons per shell	2, 8, 9, 2
Physical properties
Phase	solid
Density (near r.t.)	2.985  g·cm−3
Liquid density at m.p.	2.80  g·cm−3
Melting point	1814 K (1541 °C, 2806 °F)
Boiling point	3109 K (2836 °C, 5136 °F)
Heat of fusion	14.1  kJ·mol−1
Heat of vaporization	332.7  kJ·mol−1
Specific heat capacity	(25 °C) 25.52  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1645 1804 (2006) (2266) (2613) (3101)
Atomic properties
Crystal structure	hexagonal
Oxidation states	3 (weakly basic oxide)
Electronegativity	1.36 (Pauling scale)
Ionization energies (more)	1st:  633.1  kJ·mol−1
	2nd:  1235.0  kJ·mol−1
	3rd:  2388.6  kJ·mol−1
Atomic radius	160  pm
Atomic radius (calc.)	184  pm
Covalent radius	144  pm
Miscellaneous
Magnetic ordering	???
Electrical resistivity	(r.t.) (α, poly) calc. 562 nΩ·m
Thermal conductivity	(300 K) 15.8  W·m−1·K−1
Thermal expansion	(r.t.) (α, poly) 10.2 µm/(m·K)
Young's modulus	74.4  GPa
Shear modulus	29.1  GPa
Bulk modulus	56.6  GPa
Poisson ratio	0.279
Brinell hardness	750  MPa
CAS registry number	7440-20-2
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 45Sc 100% 45Sc is stable with 24 neutrons 46Sc syn 83.79 days β- 2.367 46Ti
References

[edit] titanium

22 scandium ← titanium → vanadium - ↑ Ti ↓ Zr Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	titanium, Ti, 22
Chemical series	transition metals
Group, Period, Block	4, 4, d
Appearance	silvery metallic
Standard atomic weight	47.867(1)  g·mol−1
Electron configuration	[Ar] 3d2 4s2
Electrons per shell	2, 8, 10, 2
Physical properties
Phase	solid
Density (near r.t.)	4.506  g·cm−3
Liquid density at m.p.	4.11  g·cm−3
Melting point	1941 K (1668 °C, 3034 °F)
Boiling point	3560 K (3287 °C, 5949 °F)
Heat of fusion	14.15  kJ·mol−1
Heat of vaporization	425  kJ·mol−1
Specific heat capacity	(25 °C) 25.060  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1982 2171 (2403) 2692 3064 3558
Atomic properties
Crystal structure	hexagonal
Oxidation states	4 (amphoteric oxide)
Electronegativity	1.54 (Pauling scale)
Ionization energies (more)	1st:  658.8  kJ·mol−1
	2nd:  1309.8  kJ·mol−1
	3rd:  2652.5  kJ·mol−1
Atomic radius	140  pm
Atomic radius (calc.)	176  pm
Covalent radius	136  pm
Miscellaneous
Magnetic ordering	???
Electrical resistivity	(20 °C) 0.420 µ Ω·m
Thermal conductivity	(300 K) 21.9  W·m−1·K−1
Thermal expansion	(25 °C) 8.6  µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) 5090  m·s−1
Young's modulus	116  GPa
Shear modulus	44  GPa
Bulk modulus	110  GPa
Poisson ratio	0.32
Mohs hardness	6.0
Vickers hardness	970  MPa
Brinell hardness	716  MPa
CAS registry number	7440-32-6
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 44Ti syn 63 y ε 0.268 44Sc 46Ti 8.0% 46Ti is stable with 24 neutrons 47Ti 7.3% 47Ti is stable with 25 neutrons 48Ti 73.8% 48Ti is stable with 26 neutrons 49Ti 5.5% 49Ti is stable with 27 neutrons 50Ti 5.4% 50Ti is stable with 28 neutrons
References

[edit] vanadium

23 titanium ← vanadium → chromium - ↑ V ↓ Nb Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	vanadium, V, 23
Chemical series	transition metals
Group, Period, Block	5, 4, d
Appearance	silvery gray metallic
Standard atomic weight	50.9415(1)  g·mol−1
Electron configuration	[Ar] 3d3 4s2
Electrons per shell	2, 8, 11, 2
Physical properties
Phase	solid
Density (near r.t.)	6.0  g·cm−3
Liquid density at m.p.	5.5  g·cm−3
Melting point	2183 K (1910 °C, 3470 °F)
Boiling point	3680 K (3407 °C, 6165 °F)
Heat of fusion	21.5  kJ·mol−1
Heat of vaporization	459  kJ·mol−1
Specific heat capacity	(25 °C) 24.89  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 2101 2289 2523 2814 3187 3679
Atomic properties
Crystal structure	cubic body centered
Oxidation states	5, 3 (amphoteric oxide)
Electronegativity	1.63 (Pauling scale)
Ionization energies (more)	1st:  650.9  kJ·mol−1
	2nd:  1414  kJ·mol−1
	3rd:  2830  kJ·mol−1
Atomic radius	135  pm
Atomic radius (calc.)	171  pm
Covalent radius	125  pm
Miscellaneous
Magnetic ordering	???
Electrical resistivity	(20 °C) 197 n Ω·m
Thermal conductivity	(300 K) 30.7  W·m−1·K−1
Thermal expansion	(25 °C) 8.4  µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 4560 m/s
Young's modulus	128  GPa
Shear modulus	47  GPa
Bulk modulus	160  GPa
Poisson ratio	0.37
Mohs hardness	7.0
Vickers hardness	628  MPa
Brinell hardness	628  MPa
CAS registry number	7440-62-2
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 48V syn 15.9735 days ε 4.012 48Ti 49V syn 330 days ε 0.602 49Ti 50V syn 1.4E17 y ε 2.208 50Ti 50V syn 1.4E17 y β 1.037 50Cr 51V 100% 51V is stable with 28 neutrons
References

[edit] chromium

24 vanadium ← chromium → manganese - ↑ Cr ↓ Mo Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	chromium, Cr, 24
Chemical series	transition metals
Group, Period, Block	6, 4, d
Appearance	silvery metallic
Standard atomic weight	51.9961(6)  g·mol−1
Electron configuration	[Ar] 3d5 4s1
Electrons per shell	2, 8, 13, 1
Physical properties
Phase	solid
Density (near r.t.)	7.15  g·cm−3
Liquid density at m.p.	6.3  g·cm−3
Melting point	2180 K (1907 °C, 3465 °F)
Boiling point	2944 K (2671 °C, 4840 °F)
Heat of fusion	21.0  kJ·mol−1
Heat of vaporization	339.5  kJ·mol−1
Specific heat capacity	(25 °C) 23.35  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1656 1807 1991 2223 2530 2942
Atomic properties
Crystal structure	cubic body centered
Oxidation states	6, 3, 2 (strongly acidic oxide)
Electronegativity	1.66 (Pauling scale)
Ionization energies (more)	1st:  652.9  kJ·mol−1
	2nd:  1590.6  kJ·mol−1
	3rd:  2987  kJ·mol−1
Atomic radius	140  pm
Atomic radius (calc.)	166  pm
Covalent radius	127  pm
Miscellaneous
Magnetic ordering	???
Magnetic ordering	AFM (rather: SDW)
Electrical resistivity	(20 °C) 125 n Ω·m
Thermal conductivity	(300 K) 93.9  W·m−1·K−1
Thermal expansion	(25 °C) 4.9  µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 5940 m/s
Young's modulus	279  GPa
Shear modulus	115  GPa
Bulk modulus	160  GPa
Poisson ratio	0.21
Mohs hardness	8.5
Vickers hardness	1060  MPa
Brinell hardness	1120  MPa
CAS registry number	7440-47-3
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 50Cr syn > 1.8 E17 y ε  ? 50Ti 51Cr syn 27.7025 d ε 0.753 51V 52Cr 83.789% 52Cr is stable with 28 neutrons 53Cr 9.501% 53Cr is stable with 29 neutrons 54Cr 2.365% 54Cr is stable with 30 neutrons
References

[edit] manganese

25 chromium ← manganese → iron - ↑ Mn ↓ Tc Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	manganese, Mn, 25
Chemical series	transition metals
Group, Period, Block	7, 4, d
Appearance	silvery metallic
Standard atomic weight	54.938049(9)  g·mol−1
Electron configuration	[Ar] 3d5 4s2
Electrons per shell	2, 8, 13, 2
Physical properties
Phase	solid
Density (near r.t.)	7.21  g·cm−3
Liquid density at m.p.	5.95  g·cm−3
Melting point	1519 K (1246 °C, 2275 °F)
Boiling point	2334 K (2061 °C, 3742 °F)
Heat of fusion	12.91  kJ·mol−1
Heat of vaporization	221  kJ·mol−1
Specific heat capacity	(25 °C) 26.32  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1228 1347 1493 1691 1955 2333
Atomic properties
Crystal structure	cubic body centered
Oxidation states	7, 6, 4, 2, 3 (strongly acidic oxide)
Electronegativity	1.55 (Pauling scale)
Ionization energies (more)	1st:  717.3  kJ·mol−1
	2nd:  1509.0  kJ·mol−1
	3rd:  3248  kJ·mol−1
Atomic radius	140  pm
Atomic radius (calc.)	161  pm
Covalent radius	139  pm
Miscellaneous
Magnetic ordering	nonmagnetic
Electrical resistivity	(20 °C) 1.44 µ Ω·m
Thermal conductivity	(300 K) 7.81  W·m−1·K−1
Thermal expansion	(25 °C) 21.7  µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 5150 m/s
Young's modulus	198  GPa
Bulk modulus	120  GPa
Mohs hardness	6.0
Brinell hardness	196  MPa
CAS registry number	7439-96-5
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 52Mn syn 5.591 d ε 4.712 52Cr 53Mn syn 3.74 million years ε 0.597 53Cr 54Mn syn 312.3 d ε 1.377 54Cr 54Mn syn 312.3 d β- 0.697 54Fe 55Mn 100% 55Mn is stable with 30 neutrons
References

[edit] iron

26 manganese ← iron → cobalt - ↑ Fe ↓ Ru Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	iron, Fe, 26
Chemical series	transition metals
Group, Period, Block	8, 4, d
Appearance	lustrous metallic with a grayish tinge
Standard atomic weight	55.845(2)  g·mol−1
Electron configuration	[Ar] 3d6 4s2
Electrons per shell	2, 8, 14, 2
Physical properties
Phase	solid
Density (near r.t.)	7.86  g·cm−3
Liquid density at m.p.	6.98  g·cm−3
Melting point	1811 K (1538 °C, 2800 °F)
Boiling point	3134 K (2861 °C, 5182 °F)
Heat of fusion	13.81  kJ·mol−1
Heat of vaporization	340  kJ·mol−1
Specific heat capacity	(25 °C) 25.10  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1728 1890 2091 2346 2679 3132
Atomic properties
Crystal structure	cubic body centered
Oxidation states	2, 3, 4, 6 (amphoteric oxide)
Electronegativity	1.83 (Pauling scale)
Ionization energies (more)	1st:  762.5  kJ·mol−1
	2nd:  1561.9  kJ·mol−1
	3rd:  2957  kJ·mol−1
Atomic radius	140  pm
Atomic radius (calc.)	156  pm
Covalent radius	125  pm
Miscellaneous
Magnetic ordering	ferromagnetic
Electrical resistivity	(20 °C) 96.1 n Ω·m
Thermal conductivity	(300 K) 80.4  W·m−1·K−1
Thermal expansion	(25 °C) 11.8  µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) (electrolytic) 5120  m·s−1
Young's modulus	211  GPa
Shear modulus	82  GPa
Bulk modulus	170  GPa
Poisson ratio	0.29
Mohs hardness	4.0
Vickers hardness	608  MPa
Brinell hardness	490  MPa
CAS registry number	7439-89-6
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 54Fe 5.8% 54Fe is stable with 28 neutrons 55Fe syn 2.73 y ε capture 0.231 55Mn 56Fe 91.72% 56Fe is stable with 30 neutrons 57Fe 2.2% 57Fe is stable with 31 neutrons 58Fe 0.28% 58Fe is stable with 32 neutrons 59Fe syn 44.503 d β 1.565 59Co 60Fe syn 1.5E6 y β- 3.978 60Co
References

[edit] cobalt

27 iron ← cobalt → nickel - ↑ Co ↓ Rh Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	cobalt, Co, 27
Chemical series	transition metals
Group, Period, Block	9, 4, d
Appearance	metallic with gray tinge
Standard atomic weight	58.933200(9)  g·mol−1
Electron configuration	[Ar] 3d7 4s2
Electrons per shell	2, 8, 15, 2
Physical properties
Density (near r.t.)	8.90  g·cm−3
Liquid density at m.p.	7.75  g·cm−3
Melting point	1768 K (1495 °C, 2723 °F)
Boiling point	3200 K (2927 °C, 5301 °F)
Heat of fusion	16.06  kJ·mol−1
Heat of vaporization	377  kJ·mol−1
Specific heat capacity	(25 °C) 24.81  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1790 1960 2165 2423 2755 3198
Atomic properties
Crystal structure	hexagonal
Oxidation states	2, 3 (amphoteric oxide)
Electronegativity	1.88 (Pauling scale)
Ionization energies (more)	1st:  760.4  kJ·mol−1
	2nd:  1648  kJ·mol−1
	3rd:  3232  kJ·mol−1
Atomic radius	135  pm
Atomic radius (calc.)	152  pm
Covalent radius	126  pm
Miscellaneous
Electrical resistivity	(20 °C) 62.4 n Ω·m
Thermal conductivity	(300 K) 100  W·m−1·K−1
Thermal expansion	(25 °C) 13.0  µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 4720 m/s
Young's modulus	209  GPa
Shear modulus	75  GPa
Bulk modulus	180  GPa
Poisson ratio	0.31
Mohs hardness	5.0
Vickers hardness	1043  MPa
Brinell hardness	700  MPa
CAS registry number	7440-48-4
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 56Co syn 77.27 d ε 4.566 56Fe 57Co syn 271.79 d ε 0.836 57Fe 58Co syn 70.86 d ε 2.307 58Fe 59Co 100% 59Co is stable with 32 neutrons 60 syn 5.2714 years β- 2.824 60Ni
References

[edit] nickel

28 cobalt ← nickel → copper - ↑ Ni ↓ Pd Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	nickel, Ni, 28
Chemical series	transition metals
Group, Period, Block	10, 4, d
Appearance	lustrous, metallic
Standard atomic weight	58.6934(2)  g·mol−1
Electron configuration	[Ar] 3d8 4s2
Electrons per shell	2, 8, 16, 2
Physical properties
Phase	solid
Density (near r.t.)	8.908  g·cm−3
Liquid density at m.p.	7.81  g·cm−3
Melting point	1728 K (1455 °C, 2651 °F)
Boiling point	3186 K (2913 °C, 5275 °F)
Heat of fusion	17.48  kJ·mol−1
Heat of vaporization	377.5  kJ·mol−1
Specific heat capacity	(25 °C) 26.07  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1783 1950 2154 2410 2741 3184
Atomic properties
Crystal structure	cubic face centered
Oxidation states	2, 3 (mildly basic oxide)
Electronegativity	1.91 (Pauling scale)
Ionization energies (more)	1st:  737.1  kJ·mol−1
	2nd:  1753.0  kJ·mol−1
	3rd:  3395  kJ·mol−1
Atomic radius	135  pm
Atomic radius (calc.)	149  pm
Covalent radius	121  pm
Van der Waals radius	163 pm
Miscellaneous
Magnetic ordering	ferromagnetic
Electrical resistivity	(20 °C) 69.3 n Ω·m
Thermal conductivity	(300 K) 90.9  W·m−1·K−1
Thermal expansion	(25 °C) 13.4  µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) 4900  m·s−1
Young's modulus	200  GPa
Shear modulus	76  GPa
Bulk modulus	180  GPa
Poisson ratio	0.31
Mohs hardness	4.0
Vickers hardness	638  MPa
Brinell hardness	700  MPa
CAS registry number	7440-02-0
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 56Ni syn 6.077 d ε  ? 56Co 56Ni syn 6.077 d γ 0.158, 0.811 ?? 58Ni 68.077% 58Ni is stable with 30 neutrons 59Ni syn 76000 y ε  ? 59Co 60Ni 26.233% 60Ni is stable with 32 neutrons 61Ni 1.14% 61Ni is stable with 33 neutrons 62Ni 3.634% 62Ni is stable with 34 neutrons 63Ni syn 100.1 y β- 0.0669 63Cu 64Ni 0.926% 64Ni is stable with 36 neutrons 64Ni 0.926% 64Ni is stable with 36 neutrons
References

[edit] copper

29 nickel ← copper → zinc - ↑ Cu ↓ Ag Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	copper, Cu, 29
Chemical series	transition metals
Group, Period, Block	11, 4, d
Appearance	copper, metallic
Standard atomic weight	63.546(3)  g·mol−1
Electron configuration	[Ar] 3d10 4s1
Electrons per shell	2, 8, 18, 1
Physical properties
Phase	solid
Density (near r.t.)	8.96  g·cm−3
Liquid density at m.p.	8.02  g·cm−3
Melting point	1357.77 K (1084.62 °C, 1984.32 °F)
Boiling point	2835 K (2562 °C, 4643 °F)
Heat of fusion	13.26  kJ·mol−1
Heat of vaporization	300.4  kJ·mol−1
Specific heat capacity	(25 °C) 24.440  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 1509 1661 1850 2089 2404 2836
Atomic properties
Crystal structure	cubic face centered
Oxidation states	2, 1 (mildly basic oxide)
Electronegativity	1.90 (Pauling scale)
Ionization energies (more)	1st:  745.5  kJ·mol−1
	2nd:  1957.9  kJ·mol−1
	3rd:  3555  kJ·mol−1
Atomic radius	135  pm
Atomic radius (calc.)	145  pm
Covalent radius	138  pm
Van der Waals radius	140 pm
Miscellaneous
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 16.78 n Ω·m
Thermal conductivity	(300 K) 401  W·m−1·K−1
Thermal expansion	(25 °C) 16.5  µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) (annealed) 3810  m·s−1
Young's modulus	130  GPa
Shear modulus	48  GPa
Bulk modulus	140  GPa
Poisson ratio	0.34
Mohs hardness	3.0
Vickers hardness	369  MPa
Brinell hardness	874  MPa
CAS registry number	7440-50-8
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 63Cu 69.17% 63Cu is stable with 34 neutrons 65Cu 30.83% 65Cu is stable with 36 neutrons
References

[edit] zinc

30 copper ← zinc → gallium - ↑ Zn ↓ Cd Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	zinc, Zn, 30
Chemical series	transition metals
Group, Period, Block	12, 4, d
Appearance	bluish pale gray
Standard atomic weight	65.409(4)  g·mol−1
Electron configuration	[Ar] 3d10 4s2
Electrons per shell	2, 8, 18, 2
Physical properties
Phase	solid
Density (near r.t.)	7.14  g·cm−3
Liquid density at m.p.	6.57  g·cm−3
Melting point	692.68 K (419.53 °C, 787.15 °F)
Boiling point	1180 K (907 °C, 1665 °F)
Heat of fusion	7.32  kJ·mol−1
Heat of vaporization	123.6  kJ·mol−1
Specific heat capacity	(25 °C) 25.390  J·mol−1·K−1
Vapor pressure P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 610 670 750 852 990 (1185)
Atomic properties
Crystal structure	hexagonal
Oxidation states	2 (amphoteric oxide)
Electronegativity	1.65 (Pauling scale)
Ionization energies (more)	1st:  906.4  kJ·mol−1
	2nd:  1733.3  kJ·mol−1
	3rd:  3833  kJ·mol−1
Atomic radius	135  pm
Atomic radius (calc.)	142  pm
Covalent radius	131  pm
Van der Waals radius	139 pm
Miscellaneous
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 59.0 n Ω·m
Thermal conductivity	(300 K) 116  W·m−1·K−1
Thermal expansion	(25 °C) 30.2  µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) (rolled) 3850  m·s−1
Young's modulus	108  GPa
Shear modulus	43  GPa
Bulk modulus	70  GPa
Poisson ratio	0.25
Mohs hardness	2.5
Brinell hardness	412  MPa
CAS registry number	7440-66-6
Selected isotopes
Main article: Isotopes of femto/elements e4 iso NA half-life DM DE (MeV) DP 64Zn 48.6% 64Zn is stable with 34 neutrons 65Zn syn 244.26 d ε  ? 65Cu 65Zn syn 244.26 d γ 1.1155 ?? 66Zn 27.9% 66Zn is stable with 36 neutrons 67Zn 4.1% 67Zn is stable with 37 neutrons 68Zn 18.8% 68Zn is stable with 38 neutrons 70Zn 0.6% 70Zn is stable with 40 neutrons
References