Idrogèn

Idrogèn (H)

chemical element with symbol H and atomic number 1; lightest and most abundant substance in the universe
Atomic Number1
Atomic Weight1.008
mass number1
Group1
Period1
Blocks
proton1 p+
neutron0 n0
electron1 e-
Animated Bohr model of H (Idrogèn)

Proprietat Fisica

Rai Atomic
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Rai de van der Waals
densitat
Atomic Radii Of The Elements: Idrogèn0102030405060708090100110pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
electron
electron shell1
Bohr model: H (Idrogèn)
valence electron1
Lewis structure: H (Idrogèn)
electron configuration1s1
Enhanced Bohr model of H (Idrogèn)
Orbital Diagram of H (Idrogèn)
oxidation number-1, 1
Electronegativitat
2.2
Electrophilicity Index
fundamental state of matter
estat de la matèriaGas
gaseous state of matterDiatomic
Boiling Point
Melting Point
critical pressure
critical temperature
Ponch triple
appearance
Color
Colorless
appearancecolorless gas
Indici de refraccion
1.000132
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio7/5
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000248 m³/Kg
magnetic susceptibility (Molar)
-0.00000000004999 m³/mol
magnetic susceptibility (Volume)
-0.00000000223
magnetic ordering
Curie temperature
Néel temperature
estructura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Duretat
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryOther nonmetals, Nonmetals
CAS GroupIA
IUPAC GroupIA
Glawe Number103
Mendeleev Number105
Pettifor Number103
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotropeDihydrogen
Neutron cross section
0.332
Neutron Mass Absorption
0.011
quantum number2S1/2
space group194 (P63/mmc)

Isotopes of Hydrogen

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

1H

mass number1
neutron number0
Relative Atomic Mass
g-factor
5.585694702 ± 0.000000018
natural abundance
99.9855 ± 0.0078
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1920
parity+

2D

mass number2
neutron number1
Relative Atomic Mass
g-factor
0.857438231 ± 0.000000005
natural abundance
0.0145 ± 0.0078
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1
nuclear quadrupole moment
data de descobèrta1932
parity+

3T

mass number3
neutron number2
Relative Atomic Mass
g-factor
5.95792492 ± 0.000000028
natural abundance
Radioactivitat☢️ radioactive element
Semivida
12.32 ± 0.02 y
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1934
parity+

decay modeintensity
β (β decay)100%

4H

mass number4
neutron number3
Relative Atomic Mass
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
139 ± 10 ys
Espin2
nuclear quadrupole moment
data de descobèrta1981
parity-

decay modeintensity
n (neutron emission)100%

5H

mass number5
neutron number4
Relative Atomic Mass
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
86 ± 6 ys
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1987
parity+

decay modeintensity
2n (2-neutron emission)100%

6H

mass number6
neutron number5
Relative Atomic Mass
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
294 ± 67 ys
Espin2
nuclear quadrupole moment
data de descobèrta1984
parity-

decay modeintensity
n (neutron emission)
3n (3-neutron emission)

7H

mass number7
neutron number6
Relative Atomic Mass
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
652 ± 558 ys
Espin1/2
nuclear quadrupole moment
0
data de descobèrta2003
parity+

decay modeintensity
2n (2-neutron emission)
Hydrogen discharge tube

istòria

descobridor o inventaireHenry Cavendish
luòc de descobèrtaEngland
data de descobèrta1766
EtimologiaGreek: hydro (water) and genes (generate)
pronunciationHI-dreh-jen (English)

source

Abundance
Abundance in Earth's crust
natural abundance (Ocean)
natural abundance (còs uman)
10 %
natural abundance (meteoroid)
2.4 %
natural abundance (Solelh)
75 %
Abundance in Universe
75 %

Nuclear Screening Constants

1s0