Mendelevium Element in Periodic Table | Atomic Number Atomic Mass

Mendelevium Element:

Mendelevium Element- Mendelevium is a radioactive chemical element of the actinide series of the periodic table. It was the ninth transuranium element (the chemical elements with atomic numbers greater than 92) to be discovered. It was named after father of the periodic table of the chemical elements, Dmitri Mendeleev. Mendelevium does not occur in nature and it is produced by bombarding einsteinium with alpha particles.  Its atomic number is 101 and it is indicated by the symbol Md. It has 16 known isotopes, the most stable being ²⁵⁸Md with a half-life of 51 days.

Uses Of Mendelevium Element:

• As only small quantities of Mendelevium have ever been produced, it is at present used in scientific research. Mendelevium has no known biological role, because of its radioactivity.

Mendelevium Element Information:

Discovery year:  1955

Discovered by:Lawrence Berkeley National Laboratory

Atomic number: 101

Relative atomic mass: [258]

Electron configuration: [Rn] 5f¹³ 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, Berkelium, Californium, Einsteinium, Fermium, 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, Berkelium, Californium, Einsteinium, Fermium, 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, Berkelium, Californium, Einsteinium, Fermium, Nobelium and Lawrencium are the elements in the same group.

Other elements in the same orbital:

Actinium, Thorium, Protactinium, Uranium, Neptunium, Plutonium, Americium, Curium, Berkelium, Californium, Einsteinium, Fermium, Nobelium and Lawrencium are the elements in the same orbital.

Allotropes: none

Key isotopes: ²⁵⁸Md, ²⁶⁰Md 

Melting point: 827°C, 1521°F, 1100 K

Boiling point: Unknown 

Element category: actinide

Density (g cm⁻³): Unknown 

CAS number: 7440-11-1 

Color: -

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