User:Femto/elements e1

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Question: Why do the element symbols in the isotopes section link to that element. People will already be on the element's page when they're merged. Fresheneesz 17:53, 26 May 2006 (UTC)
What links where? You do realize this is only an old working page? Femto 18:06, 26 May 2006 (UTC)

Contents

[edit] hydrogen

1 - ← hydrogen → helium
-
↑
H
↓
Li
General
Name, Symbol, Number hydrogen, H, 1
Chemical series nonmetals
Group, Period, Block 1, 1, s
Appearance colorless
Atomic mass 1.00794(7) g/mol
Electron configuration 1s1
Electrons per shell 1
Physical properties
Phase gas
Melting point 14.01 K
(-259.14 °C, -434.45 °F)
Boiling point 20.28 K
(-252.87 °C, -423.17 °F)
Heat of fusion (H2) 0.117 kJ·mol−1
Heat of vaporization (H2) 0.904 kJ·mol−1
Heat capacity (25 °C) (H2)
28.836 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K         15 20
Atomic properties
Crystal structure hexagonal
Oxidation states 1
(amphoteric oxide)
Electronegativity 2.20 (Pauling scale)
Ionization energies 1st: 1312.0 kJ/mol
Atomic radius 25 pm
Atomic radius (calc.) 53 pm
Covalent radius 37 pm
Van der Waals radius 120 pm
Miscellaneous
Magnetic ordering  ???
Thermal conductivity (300 K) 180.5 mW·m−1·K−1
Speed of sound (gas, 27 °C) 1310 m/s
CAS registry number 1333-74-0
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
1H 99.985% H is stable with 0 neutrons
2H 0.015% H is stable with 1 neutrons
3H trace 12.32 y β- 0.019 3He
4H syn 9.93696x10-23 s n 2.910 3H
References


[edit] helium

2 hydrogen ← helium → -
-
↑
He
↓
Ne
General
Name, Symbol, Number helium, He, 2
Chemical series noble gases
Group, Period, Block 18, 1, p
Appearance colorless
Atomic mass 4.002602(2) g/mol
Electron configuration 1s2
Electrons per shell 2
Physical properties
Phase gas
Melting point (at 2.5 MPa) 0.95 K
(-272.2 °C, -458 °F)
Boiling point 4.22 K
(-268.93 °C, -452.07 °F)
Heat of fusion 0.0138 kJ·mol−1
Heat of vaporization 0.0829 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         3 4
Atomic properties
Crystal structure hexagonal
Electronegativity no data (Pauling scale)
Ionization energies 1st: 2372.3 kJ/mol
2nd: 5250.5 kJ/mol
Atomic radius (calc.) 31 pm
Covalent radius 32 pm
Van der Waals radius 140 pm
Miscellaneous
Thermal conductivity (300 K) 151.3 mW·m−1·K−1
CAS registry number 7440-59-7
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
3He 0.000137%* He is stable with 1 neutrons
4He 99.999863%* He is stable with 2 neutrons
5He syn 7.6x10-22 s n  ? 4He
6He syn 806.7 ms β- 3.508 6Li
7He syn 3x10-21 s n  ? 6He
8He syn 119 ms β- 10 8Li
8He syn 119 ms γ 0.9807 ??
8He syn 119 ms n 0.61-3.0 7He
References


[edit] lithium

3 - ← lithium → beryllium
H
↑
Li
↓
Na
General
Name, Symbol, Number lithium, Li, 3
Chemical series alkali metals
Group, Period, Block 1, 2, s
Appearance silvery white/gray
Atomic mass 6.941(2) g/mol
Electron configuration 1s2 2s1
Electrons per shell 2, 1
Physical properties
Phase solid
Density (near r.t.) 0.534 g·cm−3
Liquid density at m.p. 0.512 g·cm−3
Melting point 453.69 K
(180.54 °C, 356.97 °F)
Boiling point 1615 K
(1342 °C, 2448 °F)
Heat of fusion 3.00 kJ·mol−1
Heat of vaporization 147.1 kJ·mol−1
Heat capacity (25 °C) 24.860 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 797 885 995 1144 1337 1610
Atomic properties
Crystal structure cubic body centered
Oxidation states 1
(strongly basic oxide)
Electronegativity 0.98 (Pauling scale)
Ionization energies 1st: 520.2 kJ/mol
2nd: 7298.1 kJ/mol
3rd: 11815.0 kJ/mol
Atomic radius 145 pm
Atomic radius (calc.) 167 pm
Covalent radius 134 pm
Van der Waals radius 182 pm
Miscellaneous
Magnetic ordering nonmagnetic
Electrical resistivity (20 °C) 92.8 nΩ·m
Thermal conductivity (300 K) 84.8 W·m−1·K−1
Thermal expansion (25 °C) 46 µm·m−1·K−1
Speed of sound (thin rod) (20 °C) 6000 m/s
Young's modulus 4.9 GPa
Shear modulus 4.2 GPa
Bulk modulus 11 GPa
Mohs hardness 0.6
CAS registry number 7439-93-2
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
6Li 7.5% Li is stable with 3 neutrons
7Li 92.5% Li is stable with 4 neutrons
8Li syn 838 ms β- 16.004 8Be
8Li syn 838 ms β- + 2 α  ? ??
References


[edit] beryllium

4 lithium ← beryllium → boron
-
↑
Be
↓
Mg
General
Name, Symbol, Number beryllium, Be, 4
Chemical series alkaline earth metals
Group, Period, Block 2, 2, s
Appearance white-gray metallic
Atomic mass 9.012182(3) g/mol
Electron configuration 1s2 2s2
Electrons per shell 2, 2
Physical properties
Phase solid
Density (near r.t.) 1.85 g·cm−3
Liquid density at m.p. 1.690 g·cm−3
Melting point 1560 K
(1287 °C, 2349 °F)
Boiling point 2742 K
(2469 °C, 4476 °F)
Heat of fusion 7.895 kJ·mol−1
Heat of vaporization 297 kJ·mol−1
Heat capacity (25 °C) 16.443 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 1462 1608 1791 2023 2327 2742
Atomic properties
Crystal structure hexagonal
Oxidation states 2
(amphoteric oxide)
Electronegativity 1.57 (Pauling scale)
Ionization energies
(more)		 1st: 899.5 kJ·mol−1
2nd: 1757.1 kJ·mol−1
3rd: 14848.7 kJ·mol−1
Atomic radius 105 pm
Atomic radius (calc.) 112 pm
Covalent radius 90 pm
Miscellaneous
Magnetic ordering diamagnetic
Electrical resistivity (20 °C) 35.6 nΩ·m
Thermal conductivity (300 K) 200 W·m−1·K−1
Thermal expansion (25 °C) 11.3 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 12870  m·s−1
Young's modulus 287 GPa
Shear modulus 132 GPa
Bulk modulus 130 GPa
Poisson ratio 0.032
Mohs hardness 5.5
Vickers hardness 1670 MPa
Brinell hardness 600 MPa
CAS registry number 7440-41-7
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
7Be syn 53.12 days ε 0.862 7Li
9Be 100% Be is stable with 5 neutrons
10Be trace 1.51×106y beta- 0.556 10B
References


[edit] boron

5 beryllium ← boron → carbon
-
↑
B
↓
Al
General
Name, Symbol, Number boron, B, 5
Chemical series metalloids
Group, Period, Block 13, 2, p
Appearance black
Atomic mass 10.811(7) g/mol
Electron configuration 1s2 2s2 2p1
Electrons per shell 2, 3
Physical properties
Phase solid
Density (near r.t.) 2.34 g·cm−3
Liquid density at m.p. 2.08 g·cm−3
Melting point 2349 K
(2076 °C, 3769 °F)
Boiling point 4200 K
(3927 °C, 7101 °F)
Heat of fusion 50.2 kJ·mol−1
Heat of vaporization 480 kJ·mol−1
Heat capacity (25 °C) 11.087 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 2348 2562 2822 3141 3545 4072
Atomic properties
Crystal structure rhombohedral
Oxidation states 3
(mildly acidic oxide)
Electronegativity 2.04 (Pauling scale)
Ionization energies
(more)		 1st: 800.6 kJ·mol−1
2nd: 2427.1 kJ·mol−1
3rd: 3659.7 kJ·mol−1
Atomic radius 85 pm
Atomic radius (calc.) 87 pm
Covalent radius 82 pm
Miscellaneous
Magnetic ordering nonmagnetic
Electrical resistivity (20 °C) 1.5×104 Ω·m
Thermal conductivity (300 K) 27.4 W·m−1·K−1
Thermal expansion (25 °C) 5–7 µm·m−1·K−1
Speed of sound (thin rod) (20 °C) 16200 m/s
Bulk modulus 320 GPa
Mohs hardness 9.3
Vickers hardness 49000 MPa
CAS registry number 7440-42-8
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
10B 19.9% B is stable with 5 neutrons
11B 80.1% B is stable with 6 neutrons
References


[edit] carbon

6 boron ← carbon → nitrogen
-
↑
C
↓
Si
General
Name, Symbol, Number carbon, C, 6
Chemical series nonmetals
Group, Period, Block 14, 2, p
Appearance black (graphite);
colourless (diamond)
Atomic mass 12.0107(8) g/mol
Electron configuration 1s2 2s2 2p2
Electrons per shell 2, 4
Physical properties
Phase solid
Density (near r.t.) (graphite) 2.267 g·cm−3
Density (near r.t.) (diamond) 3.513 g·cm−3
Melting point  ???3800 K
(3527 °C, 6381 °F)
Boiling point subl. ca. 4300 K
(4027 °C, 7281 °F)
Heat of fusion (graphite) 100 kJ·mol−1
Heat of fusion (diamond) 120 kJ·mol−1
Heat of vaporization  ???355.8 kJ·mol−1
Heat capacity (25 °C) (graphite)
8.517 J·mol−1·K−1
Heat capacity (25 °C) (diamond)
6.115 J·mol−1·K−1
Vapor pressure (graphite)
P/Pa 1 10 100 1 k 10 k 100 k
at T/K   2839 3048 3289 3572 3908
Atomic properties
Crystal structure hexagonal
Oxidation states 4, 2
(mildly acidic oxide)
Electronegativity 2.55 (Pauling scale)
Ionization energies
(more)		 1st: 1086.5 kJ·mol−1
2nd: 2352.6 kJ·mol−1
3rd: 4620.5 kJ·mol−1
Atomic radius 70 pm
Atomic radius (calc.) 67 pm
Covalent radius 77 pm
Van der Waals radius 170 pm
Miscellaneous
Magnetic ordering diamagnetic
Thermal conductivity (300 K) (graphite)
(119–165) W·m−1·K−1
Thermal conductivity (300 K) (diamond)
(900–2320) W·m−1·K−1
Mohs hardness (graphite) 0.5
Mohs hardness (diamond) 10.0
CAS registry number 7440-44-0
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
12C 98.9% C is stable with 6 neutrons
13C 1.1% C is stable with 7 neutrons
14C trace 5730 y beta- 0.156 14N
References


[edit] nitrogen

7 carbon ← nitrogen → oxygen
-
↑
N
↓
P
General
Name, Symbol, Number nitrogen, N, 7
Chemical series nonmetals
Group, Period, Block 15, 2, p
Appearance colorless
Atomic mass 14.0067(2) g/mol
Electron configuration 1s2 2s2 2p3
Electrons per shell 2, 5
Physical properties
Phase gas
Melting point 63.15 K
(-210.00 °C, -346.00 °F)
Boiling point 77.36 K
(-195.79 °C, -320.42 °F)
Heat of fusion (N2) 0.720 kJ·mol−1
Heat of vaporization (N2) 5.57 kJ·mol−1
Heat capacity (25 °C) (N2)
29.124 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 37 41 46 53 62 77
Atomic properties
Crystal structure hexagonal
Oxidation states ±3, 5, 4, 2
(strongly acidic oxide)
Electronegativity 3.04 (Pauling scale)
Ionization energies
(more)		 1st: 1402.3 kJ·mol−1
2nd: 2856 kJ·mol−1
3rd: 4578.1 kJ·mol−1
Atomic radius 65 pm
Atomic radius (calc.) 56 pm
Covalent radius 75 pm
Van der Waals radius 155 pm
Miscellaneous
Magnetic ordering no data
Thermal conductivity (300 K) 25.83 mW·m−1·K−1
Speed of sound (gas, 27 °C) 353 m/s
CAS registry number 7727-37-9
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
13N syn 9.965 min ε 2.220 13C
14N 99.634% N is stable with 7 neutrons
15N 0.366% N is stable with 8 neutrons
References


[edit] oxygen

8 nitrogen ← oxygen → fluorine
-
↑
O
↓
S
General
Name, Symbol, Number oxygen, O, 8
Chemical series nonmetals
Group, Period, Block 16, 2, p
Appearance colorless
Atomic mass 15.9994(3) g/mol
Electron configuration 1s2 2s2 2p4
Electrons per shell 2, 6
Physical properties
Phase gas
Melting point 54.36 K
(-218.79 °C, -361.82 °F)
Boiling point 90.20 K
(-182.95 °C, -297.31 °F)
Heat of fusion (O2) 0.444 kJ·mol−1
Heat of vaporization (O2) 6.82 kJ·mol−1
Heat capacity (25 °C) (O2)
29.378 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K       61 73 90
Atomic properties
Crystal structure cubic
Oxidation states −2, −1
(neutral oxide)
Electronegativity 3.44 (Pauling scale)
Ionization energies
(more)		 1st: 1313.9 kJ·mol−1
2nd: 3388.3 kJ·mol−1
3rd: 5300.5 kJ·mol−1
Atomic radius 60 pm
Atomic radius (calc.) 48 pm
Covalent radius 73 pm
Van der Waals radius 152 pm
Miscellaneous
Magnetic ordering paramagnetic
Thermal conductivity (300 K) 26.58 mW·m−1·K−1
Speed of sound (gas, 27 °C) 330 m/s
CAS registry number 7782-44-7
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
16O 99.762% O is stable with 8 neutrons
17O 0.038% O is stable with 9 neutrons
18O 0.2% O is stable with 10 neutrons
References


[edit] fluorine

9 oxygen ← fluorine → neon
-
↑
F
↓
Cl
General
Name, Symbol, Number fluorine, F, 9
Chemical series halogens
Group, Period, Block 17, 2, p
Appearance pale greenish-yellow gas
Atomic mass 18.9984032(5) g/mol
Electron configuration 1s2 2s2 2p5
Electrons per shell 2, 7
Physical properties
Phase gas
Melting point 53.53 K
(-219.62 °C, -363.32 °F)
Boiling point 85.03 K
(-188.12 °C, -306.62 °F)
Heat of fusion (F2) 0.510 kJ·mol−1
Heat of vaporization (F2) 6.62 kJ·mol−1
Heat capacity (25 °C) (F2)
31.304 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 38 44 50 58 69 85
Atomic properties
Crystal structure cubic
Oxidation states −1
(strongly acidic oxide)
Electronegativity 3.98 (Pauling scale)
Ionization energies
(more)		 1st: 1681.0 kJ·mol−1
2nd: 3374.2 kJ·mol−1
3rd: 6050.4 kJ·mol−1
Atomic radius 50 pm
Atomic radius (calc.) 42 pm
Covalent radius 71 pm
Van der Waals radius 147 pm
Miscellaneous
Magnetic ordering nonmagnetic
Thermal conductivity (300 K) 27.7 mW·m−1·K−1
CAS registry number 7782-41-4
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
19F 100% F is stable with 10 neutrons
References


[edit] neon

10 fluorine ← neon → -
He
↑
Ne
↓
Ar
General
Name, Symbol, Number neon, Ne, 10
Chemical series noble gases
Group, Period, Block 18, 2, p
Appearance colorless
Atomic mass 20.1797(6) g/mol
Electron configuration 1s2 2s2 2p6
Electrons per shell 2, 8
Physical properties
Phase gas
Melting point 24.56 K
(-248.59 °C, -415.46 °F)
Boiling point 27.07 K
(-246.08 °C, -410.94 °F)
Heat of fusion 0.335 kJ·mol−1
Heat of vaporization 1.71 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 12 13 15 18 21 27
Atomic properties
Crystal structure cubic face centered
Oxidation states no data
Electronegativity no data (Pauling scale)
Ionization energies
(more)		 1st: 2080.7 kJ·mol−1
2nd: 3952.3 kJ·mol−1
3rd: 6122 kJ·mol−1
Atomic radius (calc.) 38 pm
Covalent radius 69 pm
Van der Waals radius 154 pm
Miscellaneous
Magnetic ordering nonmagnetic
Thermal conductivity (300 K) 49.1 mW·m−1·K−1
Speed of sound (gas, 0 °C) 435 m/s
CAS registry number 7440-01-9
Selected isotopes
Main article: Isotopes of femto/elements e1
iso NA half-life DM DE (MeV) DP
29Ne 90.48% Ne is stable with 10 neutrons
21Ne 0.27% Ne is stable with 11 neutrons
22Ne 9.25% Ne is stable with 12 neutrons
References


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