User:Femto/elements e7

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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 caesium 2 barium 3 thallium 4 lead 5 bismuth 6 polonium 7 astatine 8 radon

[edit] caesium

55 - ← caesium → barium Rb ↑ Cs ↓ Fr Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	caesium, Cs, 55
Chemical series	alkali metals
Group, Period, Block	1, 6, s
Appearance	silvery gold
Atomic mass	132.90545(2) g/mol
Electron configuration	[Xe] 6s1
Electrons per shell	2, 8, 18, 18, 8, 1
Physical properties
Phase	solid
Density (near r.t.)	1.93 g·cm−3
Liquid density at m.p.	1.843 g·cm−3
Melting point	301.59 K (28.44 °C, 83.19 °F)
Boiling point	944 K (671 °C, 1240 °F)
Heat of fusion	2.09 kJ·mol−1
Heat of vaporization	63.9 kJ·mol−1
Heat capacity	(25 °C) 32.210 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 418 469 534 623 750 940
Atomic properties
Crystal structure	cubic body centered
Oxidation states	1 (strongly basic oxide)
Electronegativity	0.79 (Pauling scale)
Ionization energies	1st: 375.7 kJ/mol
	2nd: 2234.3 kJ/mol
	3rd: 3400 kJ/mol
Atomic radius	260 pm
Atomic radius (calc.)	298 pm
Covalent radius	225 pm
Miscellaneous
Magnetic ordering	no data
Electrical resistivity	(20 °C) 205 nΩ·m
Thermal conductivity	(300 K) 35.9 W·m−1·K−1
Thermal expansion	(25 °C) 97 µm·m−1·K−1
Young's modulus	1.7 GPa
Bulk modulus	1.6 GPa
Mohs hardness	0.2
Brinell hardness	0.14 MPa
CAS registry number	7440-46-2
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 133Cs 100% Cs is stable with 78 neutrons 134Cs syn 2.0648 y epsilon 1.229 134Xe 134Cs syn 2.0648 y beta- 2.059 134Ba 135Cs trace 23 ×106 y beta- 0.269 135Ba 137Cs syn 30.07 y beta- 1.176 137Ba
References

[edit] barium

56 caesium ← barium → lanthanum Sr ↑ Ba ↓ Ra Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	barium, Ba, 56
Chemical series	alkaline earth metals
Group, Period, Block	2, 6, s
Appearance	silvery white
Atomic mass	137.327(7) g/mol
Electron configuration	[Xe] 6s2
Electrons per shell	2, 8, 18, 18, 8, 2
Physical properties
Phase	solid
Density (near r.t.)	3.51 g·cm−3
Liquid density at m.p.	3.338 g·cm−3
Melting point	1000 K (727 °C, 1341 °F)
Boiling point	2170 K (1897 °C, 3447 °F)
Heat of fusion	7.12 kJ·mol−1
Heat of vaporization	140.3 kJ·mol−1
Heat capacity	(25 °C) 28.07 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 911 1038 1185 1388 1686 2170
Atomic properties
Crystal structure	cubic body centered
Oxidation states	2 (strongly basic oxide)
Electronegativity	0.89 (Pauling scale)
Ionization energies	1st: 502.9 kJ/mol
	2nd: 965.2 kJ/mol
	3rd: 3600 kJ/mol
Atomic radius	215 pm
Atomic radius (calc.)	253 pm
Covalent radius	198 pm
Miscellaneous
Magnetic ordering	paramagnetic
Electrical resistivity	(20 °C) 332 nΩ·m
Thermal conductivity	(300 K) 18.4 W·m−1·K−1
Thermal expansion	(25 °C) 20.6 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 1620 m/s
Young's modulus	13 GPa
Shear modulus	4.9 GPa
Bulk modulus	9.6 GPa
Mohs hardness	1.25
CAS registry number	7440-39-3
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 130Ba 0.106% Ba is stable with 74 neutrons 132Ba 0.101% Ba is stable with 76 neutrons 133Ba syn 10.51 y epsilon 0.517 133Cs 134Ba 2.417% Ba is stable with 78 neutrons 135Ba 6.592% Ba is stable with 79 neutrons 136Ba 7.854% Ba is stable with 80 neutrons 137Ba 11.23% Ba is stable with 81 neutrons 138Ba 71.7% Ba is stable with 82 neutrons
References

[edit] thallium

81 mercury ← thallium → lead In ↑ Tl ↓ Uut Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	thallium, Tl, 81
Chemical series	poor metals
Group, Period, Block	13, 6, p
Appearance	silvery white
Atomic mass	204.3833(2) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p1
Electrons per shell	2, 8, 18, 32, 18, 3
Physical properties
Phase	solid
Density (near r.t.)	11.85 g·cm−3
Liquid density at m.p.	11.22 g·cm−3
Melting point	577 K (304 °C, 579 °F)
Boiling point	1746 K (1473 °C, 2683 °F)
Heat of fusion	4.14 kJ·mol−1
Heat of vaporization	165 kJ·mol−1
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 882 977 1097 1252 1461 1758
Atomic properties
Crystal structure	hexagonal
Oxidation states	3, 1 (mildly basic oxide)
Electronegativity	1.62 (Pauling scale)
Ionization energies	1st: 589.4 kJ/mol
	2nd: 1971 kJ/mol
	3rd: 2878 kJ/mol
Atomic radius	190 pm
Atomic radius (calc.)	156 pm
Covalent radius	148 pm
Van der Waals radius	196 pm
Miscellaneous
Magnetic ordering	???
Electrical resistivity	(20 °C) 0.18 µΩ·m
Thermal conductivity	(300 K) 46.1 W·m−1·K−1
Thermal expansion	(25 °C) 29.9 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 818 m/s
Young's modulus	8 GPa
Shear modulus	2.8 GPa
Bulk modulus	43 GPa
Poisson ratio	0.45
Mohs hardness	1.2
Brinell hardness	26.4 MPa
CAS registry number	7440-28-0
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 203Tl 29.524% Tl is stable with 122 neutrons 204Tl syn 3.78 y Beta− 0.764 204Pb 204Tl syn 3.78 y Epsilon 0.347 204Hg 205Tl 70.476% Tl is stable with 124 neutrons
References

[edit] lead

82 thallium ← lead → bismuth Sn ↑ Pb ↓ Uuq Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	lead, Pb, 82
Chemical series	poor metals
Group, Period, Block	14, 6, p
Appearance	bluish white
Atomic mass	207.2(1) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p2
Electrons per shell	2, 8, 18, 32, 18, 4
Physical properties
Phase	solid
Density (near r.t.)	11.34 g·cm−3
Liquid density at m.p.	10.66 g·cm−3
Melting point	600.61 K (327.46 °C, 621.43 °F)
Boiling point	2022 K (1749 °C, 3180 °F)
Heat of fusion	4.77 kJ·mol−1
Heat of vaporization	179.5 kJ·mol−1
Heat capacity	(25 °C) 26.650 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 978 1088 1229 1412 1660 2027
Atomic properties
Crystal structure	cubic face centered
Oxidation states	4, 2 (amphoteric oxide)
Electronegativity	2.33 (Pauling scale)
Ionization energies (more)	1st: 715.6 kJ·mol−1
	2nd: 1450.5 kJ·mol−1
	3rd: 3081.5 kJ·mol−1
Atomic radius	180 pm
Atomic radius (calc.)	154 pm
Covalent radius	147 pm
Van der Waals radius	202 pm
Miscellaneous
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 208 nΩ·m
Thermal conductivity	(300 K) 35.3 W·m−1·K−1
Thermal expansion	(25 °C) 28.9 µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) (annealed) 1190  m·s−1
Young's modulus	16 GPa
Shear modulus	5.6 GPa
Bulk modulus	46 GPa
Poisson ratio	0.44
Mohs hardness	1.5
Brinell hardness	38.3 MPa
CAS registry number	7439-92-1
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 202Pb syn 52500 y Alpha 2.598 198Hg 202Pb syn 52500 y Epsilon 0.050 202Tl 204Pb 1.4% >1.4 E17 y Alpha 2.186 200Hg 205Pb syn 1.53 E7 y Epsilon 0.051 205Tl 206Pb 24.1% Pb is stable with 124 neutrons 207Pb 22.1% Pb is stable with 125 neutrons 208Pb 52.4% Pb is stable with 126 neutrons 210Pb syn 22.3 y Alpha 3.792 206Hg 210Pb syn 22.3 y Beta 0.064 210Bi
References

[edit] bismuth

83 lead ← bismuth → polonium Sb ↑ Bi ↓ Uup Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	bismuth, Bi, 83
Chemical series	poor metals
Group, Period, Block	15, 6, p
Appearance	lustrous reddish white
Atomic mass	208.98038(2) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p3
Electrons per shell	2, 8, 18, 32, 18, 5
Physical properties
Phase	solid
Density (near r.t.)	9.78 g·cm−3
Liquid density at m.p.	10.05 g·cm−3
Melting point	544.7 K (271.5 °C, 520.7 °F)
Boiling point	1837 K (1564 °C, 2847 °F)
Heat of fusion	11.30 kJ·mol−1
Heat of vaporization	151 kJ·mol−1
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 941 1041 1165 1325 1538 1835
Atomic properties
Crystal structure	rhombohedral
Oxidation states	3, 5 (mildly acidic oxide)
Electronegativity	2.02 (Pauling scale)
Ionization energies (more)	1st: 703 kJ·mol−1
	2nd: 1610 kJ·mol−1
	3rd: 2466 kJ·mol−1
Atomic radius	160 pm
Atomic radius (calc.)	143 pm
Covalent radius	146 pm
Miscellaneous
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 1.29 µΩ·m
Thermal conductivity	(300 K) 7.97 W·m−1·K−1
Thermal expansion	(25 °C) 13.4 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 1790 m/s
Young's modulus	32 GPa
Shear modulus	12 GPa
Bulk modulus	31 GPa
Poisson ratio	0.33
Mohs hardness	2.25
Brinell hardness	94.2 MPa
CAS registry number	7440-69-9
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 207Bi syn 31.55 y ε 2.399 207Pb 208Bi syn 3,368,000 y ε 2.880 208Pb 209Bi 100% (1.9±0.2) ×1019y α   205Tl
References

[edit] polonium

84 bismuth ← polonium → astatine Te ↑ Po ↓ Uuh Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	polonium, Po, 84
Chemical series	metalloids
Group, Period, Block	16, 6, p
Appearance	silvery
Atomic mass	(209) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p4
Electrons per shell	2, 8, 18, 32, 18, 6
Physical properties
Phase	solid
Density (near r.t.)	(alpha) 9.196 g·cm−3
Density (near r.t.)	(beta) 9.398 g·cm−3
Melting point	527 K (254 °C, 489 °F)
Boiling point	1235 K (962 °C, 1764 °F)
Heat of fusion	ca. 13 kJ·mol−1
Heat of vaporization	102.91 kJ·mol−1
Heat capacity	(25 °C) 26.4 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K       (846) 1003 1236
Atomic properties
Crystal structure	monoclinic
Oxidation states	4, 2 (amphoteric oxide)
Electronegativity	2.0 (Pauling scale)
Ionization energies	1st: 812.1 kJ/mol
Atomic radius	190 pm
Atomic radius (calc.)	135 pm
Miscellaneous
Magnetic ordering	nonmagnetic
Electrical resistivity	(0 °C) (α) 0.40 µΩ·m
Thermal conductivity	(300 K)  ??? 20 W·m−1·K−1
Thermal expansion	(25 °C) 23.5 µm·m−1·K−1
CAS registry number	7440-08-6
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 208Po syn 2.898 y Alpha 5.215 204Pb 208Po syn 2.898 y Epsilon 1.401 208Bi 209Po syn 103 y Alpha 4.979 205Pb 209Po syn 103 y Epsilon 1.893 209Bi 210Po syn 138.376 d Alpha 5.407 206Pb
References

[edit] astatine

85 polonium ← astatine → radon I ↑ At ↓ (Uus) Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	astatine, At, 85
Chemical series	halogens
Group, Period, Block	17, 6, p
Appearance	metallic
Atomic mass	(210) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p5
Electrons per shell	2, 8, 18, 32, 18, 7
Physical properties
Phase	solid
Density (near r.t.)	??? g·cm−3
Melting point	575 K (302 °C, 576 °F)
Boiling point	? 610 K (? 337 °C, ? °F)
Heat of fusion	??? kJ·mol−1
Heat of vaporization	ca. 40 kJ·mol−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 361 392 429 475 531 607
Atomic properties
Crystal structure	no data
Oxidation states	±1, 3, 5, 7
Electronegativity	2.2 (Pauling scale)
Ionization energies	1st: 920 kJ/mol
Miscellaneous
Magnetic ordering	no data
Thermal conductivity	(300 K) 1.7 W·m−1·K−1
CAS registry number	7440-68-8
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 210At 100% 8.1 h Epsilon 3.981 210Po 210At 100% 8.1 h Alpha 5.631 206Bi
References

[edit] radon

86 astatine ← radon → - Xe ↑ Rn ↓ (Uuo) Periodic Table - Extended Periodic Table
General
Name, Symbol, Number	radon, Rn, 86
Chemical series	noble gases
Group, Period, Block	18, 6, p
Appearance	colorless
Atomic mass	(222) g/mol
Electron configuration	[Xe] 4f14 5d10 6s2 6p6
Electrons per shell	2, 8, 18, 32, 18, 8
Physical properties
Phase	gas
Melting point	202 K (-71 °C, -96 °F)
Boiling point	211.3 K (-61.7 °C, -79.1 °F)
Heat of fusion	3.247 kJ·mol−1
Heat of vaporization	18.10 kJ·mol−1
Heat capacity	(25 °C) 20.786 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 110 121 134 152 176 211
Atomic properties
Crystal structure	cubic face centered
Oxidation states	???
Electronegativity	no data (Pauling scale)
Ionization energies	1st: 1037 kJ/mol
Atomic radius (calc.)	120 pm
Covalent radius	145 pm
Miscellaneous
Magnetic ordering	nonmagnetic
Thermal conductivity	(300 K) 3.61 mW·m−1·K−1
CAS registry number	10043-92-2
Selected isotopes
Main article: Isotopes of femto/elements e7 iso NA half-life DM DE (MeV) DP 211Rn syn 14.6 h Epsilon 2.892 211At 211Rn syn 14.6 h Alpha 5.965 207Po 222Rn 100% 3.824 d Alpha 5.590 218Po
References