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 -hydrogenhelium
-

H

Li
General
Name, Symbol, Number hydrogen, H, 1
Chemical series nonmetals
Group, Period, Block 1, 1, s
Appearance colorless
Standard atomic weight 1.00794(7)  g·mol−1
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
Specific 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 25pm
Atomic radius (calc.) 53  pm
Covalent radius 37  pm
Van der Waals radius 120 pm
Miscellaneous
Magnetic ordering  ???
Thermal conductivity (300 K) 180.5 m W·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% 1H is stable with 0 neutrons
2H 0.015% 2H 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 hydrogenhelium-
-

He

Ne
General
Name, Symbol, Number helium, He, 2
Chemical series noble gases
Group, Period, Block 18, 1, p
Appearance colorless
Standard atomic weight 4.002602(2)  g·mol−1
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
Specific 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 m W·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%* 3He is stable with 1 neutrons
4He 99.999863%* 4He 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 -lithiumberyllium
H

Li

Na
General
Name, Symbol, Number lithium, Li, 3
Chemical series alkali metals
Group, Period, Block 1, 2, s
Appearance silvery white/gray
Standard atomic weight 6.941(2)  g·mol−1
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
Specific 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 145pm
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 n Ω·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% 6Li is stable with 3 neutrons
7Li 92.5% 7Li is stable with 4 neutrons
8Li syn 838 ms β- 16.004 8Be
8Li syn 838 ms β- + 2 α  ? ??
References


[edit] beryllium

4 lithiumberylliumboron
-

Be

Mg
General
Name, Symbol, Number beryllium, Be, 4
Chemical series alkaline earth metals
Group, Period, Block 2, 2, s
Appearance white-gray metallic
Standard atomic weight 9.012182(3)  g·mol−1
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
Specific 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 105pm
Atomic radius (calc.) 112  pm
Covalent radius 90  pm
Miscellaneous
Magnetic ordering diamagnetic
Electrical resistivity (20 °C) 35.6 n Ω·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% 9Be is stable with 5 neutrons
10Be trace 1.51×106y beta- 0.556 10B
References


[edit] boron

5 berylliumboroncarbon
-

B

Al
General
Name, Symbol, Number boron, B, 5
Chemical series metalloids
Group, Period, Block 13, 2, p
Appearance black
Standard atomic weight 10.811(7)  g·mol−1
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
Specific 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 85pm
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% 10B is stable with 5 neutrons
11B 80.1% 11B is stable with 6 neutrons
References


[edit] carbon

6 boroncarbonnitrogen
-

C

Si
General
Name, Symbol, Number carbon, C, 6
Chemical series nonmetals
Group, Period, Block 14, 2, p
Appearance black (graphite);
colourless (diamond)
Standard atomic weight 12.0107(8)  g·mol−1
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
Specific heat capacity (25 °C) (graphite)
8.517  J·mol−1·K−1
Specific 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 70pm
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% 12C is stable with 6 neutrons
13C 1.1% 13C is stable with 7 neutrons
14C trace 5730 y beta- 0.156 14N
References


[edit] nitrogen

7 carbonnitrogenoxygen
-

N

P
General
Name, Symbol, Number nitrogen, N, 7
Chemical series nonmetals
Group, Period, Block 15, 2, p
Appearance colorless
Standard atomic weight 14.0067(2)  g·mol−1
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
Specific 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 65pm
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 m W·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% 14N is stable with 7 neutrons
15N 0.366% 15N is stable with 8 neutrons
References


[edit] oxygen

8 nitrogenoxygenfluorine
-

O

S
General
Name, Symbol, Number oxygen, O, 8
Chemical series nonmetals
Group, Period, Block 16, 2, p
Appearance colorless
Standard atomic weight 15.9994(3)  g·mol−1
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
Specific 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 60pm
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 m W·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% 16O is stable with 8 neutrons
17O 0.038% 17O is stable with 9 neutrons
18O 0.2% 18O is stable with 10 neutrons
References


[edit] fluorine

9 oxygenfluorineneon
-

F

Cl
General
Name, Symbol, Number fluorine, F, 9
Chemical series halogens
Group, Period, Block 17, 2, p
Appearance pale greenish-yellow gas
Standard atomic weight 18.9984032(5)  g·mol−1
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
Specific 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 50pm
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 m W·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% 19F is stable with 10 neutrons
References


[edit] neon

10 fluorineneon-
He

Ne

Ar
General
Name, Symbol, Number neon, Ne, 10
Chemical series noble gases
Group, Period, Block 18, 2, p
Appearance colorless
Standard atomic weight 20.1797(6)  g·mol−1
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
Specific 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 m W·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% 29Ne is stable with 10 neutrons
21Ne 0.27% 21Ne is stable with 11 neutrons
22Ne 9.25% 22Ne is stable with 12 neutrons
References