Properties

CAS Number7440-40-6
PubChem CID23971
Atomic Radius170
Atomic Volume16.7
परमाणु भार[247]
ब्लॉकf
क्वथनांक2,900
Bulk Modulus
श्रेणीऐक्टिनाइड्स
Crystal StructureSimple Hexagonal
रंग
संयोजी त्रिज्या-
घनत्व14.78
Electrical Resistivity
इलेक्ट्रॉन कॉन्फिगरेशन[Rn] 5f9 7s2
इलेक्ट्रॉन प्रति शेल2, 8, 18, 32, 27, 8, 2
इलेक्ट्रोनेगेटिविटी1.3
Electrons97
समूहna
विलय ऊष्माna
वाष्पीकरण ऊष्माna
आयनीकरण ऊर्जाएं6.198
Magnetic Ordering
Magnetic Susceptibility
भार[247]
Mass Number97
गलनांक986
नामबर्केलियम
न्यूट्रॉन150
परमाणु संख्या247
ऑक्सीकरण स्थितियां3, 4
आवर्त7
अवस्थाठोस
Poisson Ratio
प्रोटॉन97
Shear Modulus
विशिष्ट ऊष्मा क्षमता-
चिह्नBk
तापीय चालकता0.1
Van der Waals radius
Young's Modulus
प्राकृतिक प्रचुरता
Abundance in Earth's crustna
Abundance in Universena
Bk बर्केलियम 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.