ទំព័រគំរូ:Infobox beryllium

Beryllium
4Be
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (other metals)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (other metals)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (other metals)
Tin (other metals)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (other metals)
Lead (other metals)
Bismuth (other metals)
Polonium (other metals)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)


Be

Mg
lithiumberylliumboron
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

ទំព័រគំរូ:Infobox element/isotopes stable ទំព័រគំរូ:Infobox element/isotopes decay

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ឯកសារយោង

  1. "Beryllium: Beryllium(I) Hydride compound data" (PDF). bernath.uwaterloo.ca. Retrieved 2007-12-10.