ទំព័រគំរូ:Infobox beryllium

Beryllium
4Be
– ↑ Be ↓ Mg lithium ← beryllium → boron
Beryllium នៅក្នុងតារាងខួបនៃធាតុគីមី
រូបរាង
white-gray metallic
លក្ខណៈទូទៅ
ឈ្មោះ, និមិត្តសញ្ញា, លេខ	beryllium, Be, 4
Pronunciation	/bəˈrɪliəm/
ក្រុម, ខួប, block	2 (alkaline earth metals), 2, s
ទម្ងន់អាតូម	{{{atomic mass}}}
លេខអេឡិចត្រុង	[He] 2s2 2, 2
Physical properties
Phase	solid
ដង់ស៊ីតេ (near r.t.)	1.85 g·cm−3
ដង់ស៊ីតេអង្គធាតុរាវ នៅ ចំណុចរលាយ	1.690 g·cm−3
ចំណុចរលាយ	1560 K, 1287 °C, 2349 °F
ចំណុចរំពុះ	2742 K, 2469 °C, 4476 °F
Critical point	5205 K, MPa
Heat of fusion	12.2 kJ·mol−1
Heat of vaporization	292 kJ·mol−1
Molar heat capacity	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
ចំនួនអុកស៊ីតកម្ម	+2, +1 ((an amphoteric oxide))
អេឡិចត្រូនេកាទីវ	1.57 (Pauling scale)
Ionization energies (more)	1st: {{{1st ionization energy}}} kJ·mol−1
	2nd: {{{2nd ionization energy}}} kJ·mol−1
	3rd: {{{3rd ionization energy}}} kJ·mol−1
Atomic radius	112 pm
Covalent radius	96±3 pm
Van der Waals radius	153 pm
Miscellanea
ទម្រង់គ្រីស្តាល	hexagonal close-packed
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 36Ω·m
Thermal conductivity	200 W·m−1·K−1
Thermal expansion	(25 °C) 11.3 µm·m−1·K−1
Speed of sound (thin rod)	(r.t.) 12,890 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	590–1320 MPa
CAS registry number	7440-41-7
History
Discovery	Louis Nicolas Vauquelin (1798)
First isolation	Friedrich Wöhler & Antoine Bussy (1828)
Most stable isotopes
Main article: Isotopes of beryllium
iso NA half-life DM DE (MeV) DP 7Be trace 53.12 d ε 0.862 7Li γ 0.477 –

Element navigation

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ឯកសារយោង

ឯកសារយោងទាំងនេះនឹងបង្ហាញក្នុងអត្ថបទនេះ ប៉ុន្តែបញ្ជីនេះបង្ហាញត្រឹមតែលើទំព័រនេះទេ។

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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

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Subtemplates used

Isotopes

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

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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}}
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Template technical:

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See also

• Category:Periodic table infobox templates

ឯកសារយោង

ឯកសារយោងទាំងនេះនឹងបង្ហាញក្នុងអត្ថបទនេះ ប៉ុន្តែបញ្ជីនេះបង្ហាញត្រឹមតែលើទំព័រនេះទេ។

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