Properties

CAS Number7440-40-6
PubChem CID23971
Atomic Radius170
Atomic Volume16,7
Atomic Weight[247]
Blockf
Boiling Point2 900
Bulk Modulus
CategoryActinides
Crystal StructureSimple Hexagonal
Color
Covalent Radius-
Density14,78
Electrical Resistivity
Electron Configuration[Rn] 5f9 7s2
Electrons per shell2, 8, 18, 32, 27, 8, 2
Electronegativity1,3
Electrons97
Groupna
Heat of Fusionna
Heat of Vaporizationna
Ionization Potential6,198
Magnetic Ordering
Magnetic Susceptibility
Mass[247]
Mass Number97
Melting Point986
NameBerkeelium
Neutrons150
Atomic Number247
Oxidation States3, 4
Period7
PhaseSolid
Poisson Ratio
Protons97
Shear Modulus
Specific Heat Capacity-
SymbolBk
Thermal Conductivity0,1
Van der Waals radius
Young's Modulus
Abundance
Abundance in Earth's crustna
Abundance in Universena
Bk Berkeelium 97 (247) 7 f 97 986.0 [Rn] 5f9 7s2 2 8 18 32 27 8 2 14.0 None Unknown 1.3 {"1":"601"} 601 +3,4 10.0 1 1379 y 1991.y AlphaEmission Solid, Actinide, Radioactive, Synthetic BURK-li-em Synthetic radioactive metal. It has no significant commercial applications. Some compounds have been made and studied. Made by bombarding americium with alpha particles. imXT9QwRzks Berkelium
Mercury was known to the ancient Chinese and Indians and has been found in Egyptian tombs dating back to about 1500 BC.

Alchemists thought of mercury as the First Matter from which all metals were formed.

They believed that different metals could be produced by varying the quality and quantity of sulfur contained within the mercury. From the Latin word hydrargyrum meaning liquid silver 97 1949 Glenn T. Seaborg, Stanley G. Thompson, Albert Ghiorso USA Named after "Berkeley", a city in California, home of the University of California, USA

Isotopes of Mercury

Standard Atomic Weight

Stable Isotopes

Unstable Isotopes

235Bk 236Bk 237Bk 238Bk 239Bk 240Bk 241Bk 242Bk 243Bk 244Bk 245Bk 246Bk 247Bk 248Bk 249Bk 250Bk 251Bk 252Bk 253Bk 254Bk

Mercury and most of its compounds are highly toxic
Mercury is the only metal that is liquid at room temperature
Mercury is used in barometers and manometers because of its high density.

Gaseous mercury is used in mercury-vapor lamps and some 'neon sign' type advertising signs and fluorescent lamps.

Mercury is also found in liquid mirror telescopes.

Gaseous mercury is also found in some electron tubes, including ignitrons, thyratrons, and mercury arc rectifiers.