Àdàkọ:Infobox bẹ́rílíọ̀mù

Bẹ́rílíọ̀mù
4Be
- ↑ Be ↓ Mg Tábìlì ìdásìkò lítíọ̀mù‎ ← bẹ́rílíọ̀mù → bórọ̀nù
Ìhànsójú
white-gray metallic
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà	bẹ́rílíọ̀mù, Be, 4
Ìpèlóhùn	/bəˈrɪliəm/ bə-RIL-ee-əm
Ẹ̀ka ẹ́límẹ̀nti	mẹ́tàlì alkalínì ilẹ̀
Ẹgbẹ́, àsìkò, àdìpò	2, 2, s
Ìwúwo átọ́mù	9.012182(3)
Ìtòléra ẹ̀lẹ́ktrónì	[He] 2s2 2, 2
Ìtàn
Ìwárí	Louis Nicolas Vauquelin (1797)
Ìyàsọ́tọ̀ àkọ́kọ́	Friedrich Wöhler & Antoine Bussy (1828)
Physical properties
Phase	solid
Density (near r.t.)	1.85 g·cm−3
Liquid density at m.p.	1.690 g·cm−3
Melting point	1560 K, 1287 °C, 2349 °F
Boiling point	2742 K, 2469 °C, 4476 °F
Heat of fusion	12.2 kJ·mol−1
Heat of vaporization	297 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
Oxidation states	2, 1 (amphoteric oxide)
Electronegativity	1.57 (Pauling scale)
Ionization energies (more)	1st: 899.5 kJ·mol−1
	2nd: 1757.1 kJ·mol−1
	3rd: 14848.7 kJ·mol−1
Atomic radius	112 pm
Covalent radius	96±3 pm
Van der Waals radius	153 pm
Miscellanea
Crystal structure	hexagonal
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 36 nΩ·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.) 12870 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	600 MPa
CAS registry number	7440-41-7
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù bẹ́rílíọ̀mù
iso NA half-life DM DE (MeV) DP 7Be trace 53.12 d ε 0.862 7Li γ 0.477 - 9Be 100% 9Be is stable with 5 neutrons 10Be trace 1.36×106 y β− 0.556 10B

References

This reference list does not appear in the article.