Berkelium Element in Periodic Table | Atomic Number Atomic Mass
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Berkelium Element:
Berkelium is a transuranic radioactive chemical element and it is a member of group 3 and period 7 and in the periodic table. The atomic number of berkelium is 97 and it is indicated by symbol is Bk. Berkelium is a member of the actinide and transuranium element series. It was the fifth tranuranium element discovered after plutonium, curium, neptunium and americium. It is a soft, silvery-white, radioactive metal. About twenty isotopes and six of berkelium have been characterized. 247Bk, 248Bk and 249Bk are the longest half-lives are observed. All isotopes are radioactive. 249Bk isotope is the easiest to synthesize.
Uses of Berkelium Element:
- It is used mainly for scientific research.
- Berkelium-249 is used for the production of lawrencium-260.
Berkelium Element Information:
Discovery year:1949
Discovered by:Lawrence Berkeley National Laboratory
Atomic number: 97
Relative atomic mass: [247]
Electron configuration: [Rn] 5f9 7s2
Block: f-block
Other elements in the same block:
Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium and Lawrencium are the elements in the same block.
Period: period 7
Other elements in the same period:
Francium, Radium, Actinium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium, Lawrencium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium, Copernicium, Nihonium, Flerovium, Moscovium, Livermorium, Tennessine and Oganesson.
Group: Actinides
Other elements in the same group:
Thorium, Protactinium, Uranium, Plutonium, Americium, Curium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium and Lawrencium are the elements in the same group.
Other elements in the same orbital:
Actinium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Californium,Einsteinium, Fermium, Mendelevium, Nobelium and Lawrencium are the elements in the same orbital.
Allotropes: none
Key isotopes: 247Bk, 249Bk
Melting point: 986°C, 1807°F, 1259 K
Boiling point: unknown
Element category: actinide
Density (g cm−3): 14.78
CAS number: 7440-40-6
Color: silvery
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