Beryllium is a low density metallic chemical element, with symbol Be and atomic number 4. It is one of the lightest metals. It is silvery-white, shiny and ductile, with some tendency to fracture, and it oxidizes rapidly in air.

Beryllium is used for its unique heat conduction and electrical conductivity properties. It is commonly used in industrial applications such as alloys, electronics, casting and engine manufacturing.

Beryllium is used in special mixtures of metals for specific applications. It is widely used in the electronics industry because it is lightweight, electrically conductive and has excellent thermal conductivity. It is also used for its anti-corrosion and heat resistance properties.

Beryllium is also used in heat engine systems and in the space sector. It is used for its heat conduction properties and for high performance applications. In addition, beryllium is used for its mechanical properties and impact resistance.

1278°
2970°

9.0121831

[He] 2s2

2
2

1.57

9.3227

Synthetic

Radioactive

Liquid

Gaseous

Electronic configuration diagram

Characteristics

Name	Beryllium
Number	4
Atomic	9.0121831
Symbol	Be
Fusion	1278
Boiling	2970
Density	1.85
Period	2
Group	2

Discovery	1798 Vaulquelin
Abundance	2.8
Radius	1.4
Electronegativity	1.57
Ionization	9.3227
Number of isotopes	6
Electronic configuration	[He] 2s2
Oxidation states	2
Electron by energy level	2,2

Minerals containing this element : 129

Mineral	Hardness	Density
Agakhanovite-(Y)	6.00 / 6.00	2.67
Alflarsenite	4.00 / 4.00	2.61
Almarudite	6.00 / 6.00	2.71
Aminoffite	5.50 / 5.50	2.94
Asbecasite	6.50 / 7.00	3.70
Atencioite	4.50 / 4.50	2.84
Babefphite	3.50 / 4.00	4.31
Barylite	6.00 / 7.00	4.02
Bavenite	5.50 / 5.50	2.70
Bazzite	6.50 / 6.50	2.80
Bearsite		1.80
Behoite	4.00 / 4.00	1.91
Berborite	3.00 / 3.00	2.20
Bergslagite	5.00 / 5.00	3.40
Bertrandite	6.00 / 7.00	2.59
Beryl	7.50 / 8.00	2.63
Beryllite	1.00 / 1.00	2.20
Beryllonite	5.50 / 6.00	2.80
Bityite	5.50 / 5.50	3.00
Bohseite	5.00 / 6.00	2.72
Bromellite	9.00 / 9.00	3.02
Bussyite-(Ce)		3.00
Bussyite-(Y)	4.00 / 4.00
Byrudite	7.00 / 7.00	4.35
Calcybeborosilite-(Y)	5.00 / 5.50	3.00
Chiavennite	3.00 / 3.00	2.64
Chkalovite	6.00 / 6.00	2.66
Chrysoberyl	8.50 / 8.50	3.50
Ciprianiite
Clinobarylite	6.50 / 6.50	3.97
Clinobehoite	2.00 / 3.00	1.93
Danalite	5.50 / 6.00	3.43
Ehrleite	3.50 / 3.50	2.64
Eirikite	6.00 / 6.00	2.58
Emerald	7.50 / 8.00	2.63
Epididymite	5.50 / 5.50	2.55
Euclase	7.50 / 7.50	2.99
Eudidymite	6.00 / 6.00	2.55
Faheyite	3.00 / 3.00	2.66
Ferrochiavennite	3.00 / 3.00	2.71
Ferrotaaffeite-2N'2S	8.50 / 9.00	3.99
Ferrotaaffeite-6N'3S	8.00 / 8.50	4.07
Footemineite	4.50 / 4.50	2.87
Fransoletite	3.00 / 3.00	2.56
Friedrichbeckeite	6.00 / 6.00
Gadolinite-(Ce)	6.50 / 7.00	4.20
Gadolinite-(Nd)
Gadolinite-(Y)	6.50 / 7.00	4.00
Gainesite	4.00 / 4.00	2.94
Genthelvite	6.00 / 6.50	3.62
Glucine	5.00 / 5.00	2.32
Greifensteinite	4.50 / 4.50	2.93
Gugiaite	3.00 / 4.00	3.03
Guimarãesite	4.50 / 4.50	2.96
Hambergite	7.50 / 7.50	2.37
Harstigite	5.50 / 5.50	3.16
Hellandite-(Ce)	5.50 / 6.00
Hellandite-(Y)	5.50 / 6.00	3.70
Helvine	6.00 / 6.50	3.23
Herderite	5.00 / 5.00	3.00
Hingganite-(Ce)	5.00 / 6.00	4.28
Hingganite-(Y)	5.00 / 6.00
Hingganite-(Yb)	6.00 / 7.00	4.83
Hsianghualite	6.50 / 6.50	2.97
Hurlbutite	6.00 / 6.00	2.88
Hyalotekite	5.50 / 5.50	3.81
Hydroxylgugiaite
Hydroxylherderite	5.00 / 5.50	2.94
Høgtuvaite	5.50 / 5.50	3.85
Jeffreyite	5.00 / 5.00	2.99
Joesmithite	5.50 / 5.50	3.83
Khmaralite	7.00 / 7.00
Lefontite
Leifite	6.00 / 6.00	2.57
Leucophanite	4.00 / 4.00	2.96
Liberite	7.00 / 7.00	2.69
Londonite	8.00 / 8.00	3.34
Lovdarite	5.00 / 6.00	2.33
Magnesiotaaffeite-2N'2S	8.00 / 8.50	3.60
Magnesiotaaffeite-6N'3S	8.00 / 8.50	3.68
Makarochkinite	5.50 / 6.00	3.93
Mariinskite	8.50 / 8.50	4.25
Mccrillisite	4.50 / 4.50	3.12
Meliphanite	5.00 / 5.50	3.01
Mengxianminite	6.00 / 6.00	3.85
Milarite	6.00 / 6.00	2.52
Minasgeraisite-(Y)	6.00 / 7.00	4.25
Minjiangite	6.00 / 6.00	3.49
Moraesite		1.81
Mottanaite-(Ce)		3.61
Nabesite	5.00 / 6.00	2.16
Niveolanite
Odintsovite	5.00 / 5.50	2.94
Oftedalite	6.00 / 6.00	2.61
Okanoganite-(Y)	4.00 / 4.00	4.35
Okruschite		3.33
Pahasapaite	4.50 / 4.50	2.28
Parafransoletite	2.50 / 2.50	2.54
Paravinogradovite	5.00 / 5.00	2.77