ទំព័រគំរូ:Infobox helium

អេលីយ៉ូម
2He
– ↑ He ↓ Ne អុីដ្រូសែន ← អេលីយ៉ូម → លីចូម
អេលីយ៉ូម នៅក្នុងតារាងខួបនៃធាតុគីមី
រូបរាង
colorless gas, exhibiting a red-orange glow when placed in an electric field Spectral lines of helium
លក្ខណៈទូទៅ
ឈ្មោះ, និមិត្តសញ្ញា, លេខ	អេលីយ៉ូម, He, 2
Pronunciation	/ˈhiːliəm/
ក្រុម, ខួប, block	18 (noble gases), 1, s
ទម្ងន់អាតូម	4.002602(2)
លេខអេឡិចត្រុង	1s2 2
Physical properties
Phase	gas
ដង់ស៊ីតេ	(0 °C, 101.325 kPa) 0.1786 g/L
ដង់ស៊ីតេអង្គធាតុរាវ នៅ ចំណុចរលាយ	0.145 g·cm−3
ដង់ស៊ីតេអង្គធាតុរាវ នៅ ចំណុចរំពុះ	0.125 g·cm−3
ចំណុចរលាយ	0.95 K, −272.20 °C, −457.96 °F
ចំណុចរំពុះ	4.222 K, −268.928 °C, −452.070 °F
Triple point	2.177 K, 5.043 kPa
Critical point	5.1953 K, 0.22746 MPa
Heat of fusion	0.0138 kJ·mol−1
Heat of vaporization	0.0829 kJ·mol−1
Molar heat capacity	20.78 J·mol−1·K−1
Vapor pressure (defined by ITS-90)
P (Pa) 1 10 100 1 k 10 k 100 k at T (K)     1.23 1.67 2.48 4.21
Atomic properties
ចំនួនអុកស៊ីតកម្ម	0
អេឡិចត្រូនេកាទីវ	គ្មានទិន្នន័យ (Pauling scale)
Ionization energies	1st: {{{1st ionization energy}}} kJ·mol−1
	2nd: {{{2nd ionization energy}}} kJ·mol−1
Covalent radius	28 pm
Van der Waals radius	140 pm
Miscellanea
ទម្រង់គ្រីស្តាល	hexagonal close-packed
Magnetic ordering	diamagnetic
Thermal conductivity	0.1513 W·m−1·K−1
Speed of sound	972 m·s−1
CAS registry number	7440-59-7
History
Naming	after អេលីអូស, ទេពសុរិយនៃក្រិក
Discovery	Pierre Janssen, Norman Lockyer (1868)
First isolation	វីលៀម រ៉ាមសេយ, Per Teodor Cleve, Abraham Langlet (1895)
Most stable isotopes
Main article: Isotopes of អេលីយ៉ូម
iso NA half-life DM DE (MeV) DP

Element navigation

PTheliumPT

←

iso 2He ibox    wd:Q560

→

ឯកសារយោង

ឯកសារយោងទាំងនេះនឹងបង្ហាញក្នុងអត្ថបទនេះ ប៉ុន្តែបញ្ជីនេះបង្ហាញត្រឹមតែលើទំព័រនេះទេ។

Template documentation[view] [edit] [history] [purge]

Atomic number 119 and above

When the atomic number is ≥ 119, the miniature periodic table shows an extended version (period 8). See for example {{infobox ununennium}}.

Hydrogen example

Hydrogen
1H
- ↑ H ↓ Li - ← hydrogen → helium
Hydrogen នៅក្នុងតារាងខួបនៃធាតុគីមី
រូបរាង
colorless gas Purple glow in its plasma state Spectral lines of hydrogen
លក្ខណៈទូទៅ
ឈ្មោះ, និមិត្តសញ្ញា, លេខ	hydrogen, H, 1
Pronunciation	/ˈhaɪdrədʒən/ hy-drə-jən
Element category	diatomic nonmetal
ក្រុម, ខួប, block	1, 1, s
ទម្ងន់អាតូម	1.007947(1)
លេខអេឡិចត្រុង	1s1 1
Physical properties
ព័ណ៌	colorless
Phase	gas
ដង់ស៊ីតេ	(0 °C, 101.325 kPa) 0.08988 g/L
ដង់ស៊ីតេអង្គធាតុរាវ នៅ ចំណុចរលាយ	0.07 (0.0763 solid) g·cm−3
ដង់ស៊ីតេអង្គធាតុរាវ នៅ ចំណុចរំពុះ	0.07099 g·cm−3
ចំណុចរលាយ	14.01 K, -259.14 °C, -434.45 °F
ចំណុចរំពុះ	20.28 K, -252.87 °C, -423.17 °F
Triple point	13.8033 K, 7.042 kPa
Critical point	32.97 K, 1.293 MPa
Heat of fusion	(H2) 0.117 kJ·mol−1
Heat of vaporization	(H2) 0.904 kJ·mol−1
Molar heat capacity	(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
ចំនួនអុកស៊ីតកម្ម	1, -1 (amphoteric oxide)
អេឡិចត្រូនេកាទីវ	2.20 (Pauling scale)
Ionization energies	1st: 1312.0 kJ·mol−1
Covalent radius	31±5 pm
Van der Waals radius	120 pm
Miscellanea
ទម្រង់គ្រីស្តាល	hexagonal
Magnetic ordering	diamagnetic
Thermal conductivity	0.1805 W·m−1·K−1
Speed of sound	(gas, 27 °C) 1310 m·s−1
CAS registry number	1333-74-0
History
Discovery	Henry Cavendish (1766)
Named by	Antoine Lavoisier (1783)
Most stable isotopes
Main article: Isotopes of hydrogen
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 neutron 3H trace 12.32 y β− 0.01861 3He

Bare parameters

{{infobox element
<!-- HEADER and id -->
|name=
|number=
|symbol=
|headerstitle=
<!-- PERIODIC TABLE -->
|left=
|right=
|above=
|below=
<!-- APPEARANCE -->
|appearance=
|image name=
|image size=
|image alt=
|image name comment=
|image name 2=
|image size 2=
|image alt 2=
|image name 2 comment=
<!-- GENERAL -->
|pronounce=
|series=
|series comment=
|series color=
|group=
|period=
|block=
|atomic mass=
|atomic mass 2=
|atomic mass comment=
|electron configuration=
|electrons per shell=
<!-- PHYSICAL PROPERTIES -->
|physical properties=
|color=
|phase=
|phase comment=
|phase color=
|density gplstp=
|density gpcm3nrt=
|density gpcm3nrt 2=
|density gpcm3nrt 3=
|density gpcm3mp=
|melting point K=
|melting point C=
|melting point F=
|melting point pressure=
|sublimation point K=
|sublimation point C=
|sublimation point F=
|sublimation point pressure=
|boiling point K=
|boiling point C=
|boiling point F=
|boiling point pressure=
|triple point K=
|triple point kPa=
|triple point K 2=
|triple point kPa 2=
|critical point K=
|critical point MPa=
|heat fusion=
|heat fusion 2=
|heat fusion pressure=
|heat vaporization=
|heat vaporization pressure=
|heat capacity=
|heat capacity pressure=
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=
|vapor pressure 100 k=
|vapor pressure comment=
|atomic properties=
|oxidation states=
|oxidation states comment=
|electronegativity=
|number of ionization energies=
|1st ionization energy=
|2nd ionization energy=
|3rd ionization energy=
|atomic radius=
|atomic radius calculated=
|covalent radius=
|Van der Waals radius=
<!-- MISCELLANEA -->
|crystal structure=
|crystal structure ref=
|crystal structure comment=
|crystal structure2=
|crystal structure ref2=
|crystal structure comment2=
|magnetic ordering=
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|Tensile strength=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=
<!-- ISOTOPES -->
|isotopes=
<!-- see subtemplates -->
|isotopes comment=
<!-- WP:ENGVAR (currently used for P only) -->
|engvar=
<!-- HISTORY -->
|naming=
|predicted by=
|prediction date=
|discovered by=
|discovery date=
|first isolation by=
|first isolation date=
|named by=
|named date=
|history comment label=
|history comment=
}}

Subtemplates used

Isotopes

Isotopes subtemplates are to be entered by the editor:

• {{infobox element/isotopes stable}}
• {{infobox element/isotopes decay}}
• {{Infobox element/isotopes decay2}}
• {{Infobox element/isotopes decay3}}
• {{Infobox element/isotopes decay3 (2 2 1)}}
• {{Infobox element/isotopes decay4}}

Other

All other subtemplates are used inplicitly (automatically):

Headers:

• {{infobox element/headers}}

Periodic table graph:

• {{Periodic table (32 columns, micro)}}
  • {{Periodic table (32 columns, micro)/119+}}
  • {{Periodic table (32 columns, micro)/elementcell}}

Data:

• {{infobox element/crystal structure wikilink}}
• {{infobox element/crystal structure image}}
• {{infobox element/group}}

Language and pronouciation:

• {{engvar}}
• {{IPAc-en}}
• {{IPAc-en/pronunciation}}
• {{respell}}

Template technical:

• {{main other}}
• {{template other}}
• {{!}}

See also

• Category:Periodic table infobox templates

ឯកសារយោង

ឯកសារយោងទាំងនេះនឹងបង្ហាញក្នុងអត្ថបទនេះ ប៉ុន្តែបញ្ជីនេះបង្ហាញត្រឹមតែលើទំព័រនេះទេ។

The above documentation is transcluded from ទំព័រគំរូ:Infobox element/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Subpages of this template.