Hidrogjen

Hidrogjen (H)

chemical element with symbol H and atomic number 1; lightest and most abundant substance in the universe
Atomic Number1
Atomic Weight1.008
Numri i masës1
Group1
Period1
Blocks
protoni1 p+
neutroni0 n0
elektroni1 e-
Animated Bohr model of H (Hidrogjen)

Tipar Fizik

Atomic Radius
25 pm
molar volume
covalent radius
32 pm
Metallic Radius
ionic radius
-38 pm
Crystal Radius
-24 pm
Van der Waals radius
110 pm
density
0,000082 g/cm³
Atomic Radii Of The Elements: Hidrogjen0102030405060708090100110pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
0,754195 eV/particle
ionization energy
13,598434005136 eV/particle
enthalpy of vaporization
0,904 kJ/mol
enthalpy of fusion
0,117 kJ/mol
standard enthalpy of formation
217,998 kJ/mol
elektroni
electron shell1
Bohr model: H (Hidrogjen)
valence electron1
Lewis structure: H (Hidrogjen)
konfigurimi i elektronit1s1
Enhanced Bohr model of H (Hidrogjen)
Orbital Diagram of H (Hidrogjen)
oxidation number-1, 1
Elektronegativiteti
2.2
Electrophilicity Index
2,00476999140139 eV/particle
fundamental state of matter
gjendja agregate e materiesGas
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
appearance
Ngjyra
Colorless
appearancecolorless gas
refractive index
1,000132
thermodynamic material property
Thermal Conductivity
0,1815 W/(m K)
thermal expansion
molar heat capacity
28,836 J/(mol K)
Specific Heat Capacity
14,304 J/(g⋅K)
heat capacity ratio7/5
electrical properties
type
electrical conductivity
electrical resistivity
Superpërcjellshmëria
Magnetizimi
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
strukturë
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,75 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Shpejtësia e zërit
1 270 m/s
klasifikim
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
numër kuantik2S1/2
space group194 (P63/mmc)

Isotopes of Hydrogen

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

1H

Numri i masës1
numri i neutroneve0
relative atomic mass
1,007825031898 ± 0,000000000014 Da
g-factor
5,585694702 ± 0,000000018
natural abundance
99,9855 ± 0,0078
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1920
parity+

2D

Numri i masës2
numri i neutroneve1
relative atomic mass
2,014101777844 ± 0,000000000015 Da
g-factor
0,857438231 ± 0,000000005
natural abundance
0,0145 ± 0,0078
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1932
parity+

3T

Numri i masës3
numri i neutroneve2
relative atomic mass
3,01604928132 ± 0,00000000008 Da
g-factor
5,95792492 ± 0,000000028
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12,32 ± 0,02 y
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1934
parity+

decay modeintensitet
β (β decay)100%

4H

Numri i masës4
numri i neutroneve3
relative atomic mass
4,026431867 ± 0,000107354 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
139 ± 10 ys
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1981
parity-

decay modeintensitet
n (neutron emission)100%

5H

Numri i masës5
numri i neutroneve4
relative atomic mass
5,035311492 ± 0,00009602 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
86 ± 6 ys
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1987
parity+

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

6H

Numri i masës6
numri i neutroneve5
relative atomic mass
6,044955437 ± 0,000272816 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
294 ± 67 ys
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1984
parity-

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

7H

Numri i masës7
numri i neutroneve6
relative atomic mass
7,052749 ± 0,001078 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
652 ± 558 ys
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2003
parity+

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

historia

zbuluesHenry Cavendish
vendndodhja e zbulimitEngland
koha e zbulimit apo shpikjes1766
EtimologjiaGreek: hydro (water) and genes (generate)
pronunciationHI-dreh-jen (anglisht)

burim

Abundance
Abundance in Earth's crust
1 400 mg/kg
natural abundance (Oqeani)
108 000 mg/L
natural abundance (Trupi i njeriut)
10 %
natural abundance (meteoroid)
2,4 %
natural abundance (Diell)
75 %
Abundance in Universe
75 %

Nuclear Screening Constants

1s0