Hidrogen

Hidrogen (H)

unsur kimia dengan nombor atom 1
Atomic Number1
Atomic Weight1.008
Nombor jisim1
Group1
Period1
Blocks
proton1 p+
neutron0 n0
Elektron1 e-
Animated Model Bohr of H (Hidrogen)

Sifat Fizikal

Jejari Atom
25 pm
molar volume
Jejari kovalen
32 pm
Metallic Radius
ionic radius
-38 pm
Crystal Radius
-24 pm
Jejari van der Waals
110 pm
ketumpatan
0.000082 g/cm³
Atomic Radii Of The Elements: Hidrogen0102030405060708090100110pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
0.754195 eV/particle
ionization energy
13.598434005136 eV/particle
Entalpi pengewapan
0.904 kJ/mol
entalpi pelakuran
0.117 kJ/mol
standard enthalpy of formation
217.998 kJ/mol
Elektron
Petala elektron1
Model Bohr: H (Hidrogen)
Elektron valens1
Teori ion Lewis: H (Hidrogen)
tatarajah elektron1s1
Enhanced Model Bohr of H (Hidrogen)
Orbital Diagram of H (Hidrogen)
Keadaan pengoksidaan-1, 1
Keelektronegatifan
2.2
Electrophilicity Index
2.00476999140139 eV/particle
keadaan jirim asas
fasa jirimGas
gaseous state of matterDiatomic
Boiling Point
20.271 K
Melting Point
13.99 K
critical pressure
1.2858 MPa
critical temperature
32.938 K
triple point
13.8033 K
7.041 kPa
rupa
warna
Colorless
rupacolorless gas
indeks biasan
1.000132
sifat bahan
Thermal Conductivity
0.1815 W/(m K)
Pengembangan terma
molar heat capacity
28.836 J/(mol K)
Specific Heat Capacity
14.304 J/(g⋅K)
heat capacity ratio7/5
electrical properties
type
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000248 m³/Kg
magnetic susceptibility (Molar)
-0.00000000004999 m³/mol
magnetic susceptibility (Volume)
-0.00000000223
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3.75 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
1,270 m/s
pengelasan
CategoryOther nonmetals, Nonmetals
CAS GroupIA
IUPAC GroupIA
Glawe Number103
Mendeleev Number105
Pettifor Number103
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
polarizability
4.50711 ± 0.00003 a₀
C6 Dispersion Coefficient
6.499026705 a₀
allotropeDihydrogen
Neutron cross section
0.332
Neutron Mass Absorption
0.011
Nombor kuantum2S1/2
space group194 (P63/mmc)

Isotopes of Hydrogen

Stable Isotopes2
Unstable Isotopes5
Natural Isotopes2
Isotopic Composition199.99%199.99%20.01%20.01%

1H

Nombor jisim1
nombor neutron0
jisim atom relatif
1.007825031898 ± 0.000000000014 Da
g-factor
5.585694702 ± 0.000000018
natural abundance
99.9855 ± 0.0078
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1920
parity+

2D

Nombor jisim2
nombor neutron1
jisim atom relatif
2.014101777844 ± 0.000000000015 Da
g-factor
0.857438231 ± 0.000000005
natural abundance
0.0145 ± 0.0078
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin1
nuclear quadrupole moment
tarikh penemuan1932
parity+

3T

Nombor jisim3
nombor neutron2
jisim atom relatif
3.01604928132 ± 0.00000000008 Da
g-factor
5.95792492 ± 0.000000028
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.32 ± 0.02 y
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1934
parity+

decay modeKeamatan (fizik)
β (β decay)100%

4H

Nombor jisim4
nombor neutron3
jisim atom relatif
4.026431867 ± 0.000107354 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
139 ± 10 ys
Spin2
nuclear quadrupole moment
tarikh penemuan1981
parity-

decay modeKeamatan (fizik)
n (neutron emission)100%

5H

Nombor jisim5
nombor neutron4
jisim atom relatif
5.035311492 ± 0.00009602 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
86 ± 6 ys
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1987
parity+

decay modeKeamatan (fizik)
2n (2-neutron emission)100%

6H

Nombor jisim6
nombor neutron5
jisim atom relatif
6.044955437 ± 0.000272816 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
294 ± 67 ys
Spin2
nuclear quadrupole moment
tarikh penemuan1984
parity-

decay modeKeamatan (fizik)
n (neutron emission)
3n (3-neutron emission)

7H

Nombor jisim7
nombor neutron6
jisim atom relatif
7.052749 ± 0.001078 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
652 ± 558 ys
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan2003
parity+

decay modeKeamatan (fizik)
2n (2-neutron emission)
Hydrogen discharge tube

sejarah

penemu atau perekaHenry Cavendish
tempat penemuanEngland
tarikh penemuan1766
EtimologiGreek: hydro (water) and genes (generate)
sebutanHI-dreh-jen (Inggeris)

sumber

Abundance
Abundance in Earth's crust
1,400 mg/kg
natural abundance (lautan)
108,000 mg/L
natural abundance (Tubuh manusia)
10 %
natural abundance (Meteoroid)
2.4 %
natural abundance (Matahari)
75 %
Abundance in Universe
75 %

Nuclear Screening Constants

1s0