Mendelevium – Periodic Table [Element Information & More]

mendelevium element periodic table

Mendelevium element (Md) is in period 7 of a periodic table. Mendelevium is in the f-block and it is classified as an actinide on the periodic table.

There is a lot more information related to mendelevium which is mentioned in the Information Table given below.

So let’s dive right into it!

Table of contents

Mendelevium Element (Information Table)

The important data related to mendelevium element is given in the table below.

Atomic number of mendelevium101
Symbol of mendeleviumMd
Atomic mass of mendelevium (most stable isotope)258 u
Protons, Neutrons & Electrons in mendeleviumProtons: 101, Neutrons: 157, Electrons: 101
State of mendelevium (at STP)Solid (predicted)
Period number of mendelevium in periodic table7
Block of mendelevium in periodic tablef-block
Category of mendeleviumInner transition metals
Bohr model or Electrons per shell or Electrons arrangement in mendelevium2, 8, 18, 32, 31, 8, 2
Electron configuration of mendelevium[Rn] 5f13 7s2
Orbital diagram of mendeleviumorbital diagram of mendelevium
Electronegativity of mendelevium (on pauling scale)1.3
Density of mendelevium (predicted)10.3 g/cm3
1st ionization energy of mendelevium6.58 eV
Main isotopes of mendelevium258Md and 260Md
Melting point of mendelevium (predicted)1100 K or 827 °C or 1521 °F
Crystal structure of mendelevium (predicted)Face Centered Cubic (FCC)
Discovery of mendeleviumBy Albert Ghiorso and his team in 1955

Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).

Mendelevium element in Periodic table

The Mendelevium element (Md) has the atomic number 101 and is located in period 7. Mendelevium is a metal and it is classified as an actinide group element.

Click on above elements in the periodic table to see their information.

Facts about mendelevium

Here are a few interesting facts about the mendelevium element.

  1. Albert Ghiorso and his team discovered the element Mendelevium at Lawrence Berkeley National Laboratory in the year 1955.
  2. Mendelevium was given its name to honor the chemist Dmitri Mendeleev.
  3. Mendelevium is a synthetic element which is prepared artificially in the lab.
  4. Mendelevium has around 17 isotopes and all these isotopes are radioactive in nature.
  5. 258Md is the isotope of mendelevium which is a longest lived isotope and it has a half life of only 51 days.

Properties of mendelevium

Here is a list of some physical properties and chemical properties of mendelevium.

  • Mendelevium is harmful and radioactive in nature.
  • The melting point of mendelevium is 1100 K (predicted).
  • The predicted density of mendelevium is 10.3 g/cm3 and its most stable isotope has the atomic mass 258 amu.
  • The mendelevium element has a FCC crystal structure (predicted).
  • The most common oxidation states of mendelevium are +3 and +2.

Uses of mendelevium

Mendelevium has no commercial use because of its scarcity and radioactive nature, and it is generally used for research work.

External resources:

  1. Mendelevium – Element information, properties and uses | Periodic Table. (n.d.). Mendelevium – Element Information, Properties and Uses | Periodic Table.
  2. Mendelevium – Wikipedia. (2014, August 4). Mendelevium – Wikipedia.
  3. P. (n.d.). Mendelevium | Md (Element) – PubChem. Mendelevium | Md (Element) – PubChem.
  4. It’s Elemental – The Element Mendelevium. (n.d.). It’s Elemental – the Element Mendelevium.
  5. Discovery of Mendelevium – Nuclear Museum. (2017, June 9). Nuclear Museum.
  6. Pichon, A. (2019, February 21). Mendelevium 101. Nature Chemistry, 11(3), 282–282.
  7. Sansonetti, J. E., & Martin, W. C. (2005, December). Handbook of Basic Atomic Spectroscopic Data. Journal of Physical and Chemical Reference Data, 34(4), 1559–2259.
  8. Bondi, A. (1964, March). van der Waals Volumes and Radii. The Journal of Physical Chemistry, 68(3), 441–451.
  9. Holden, et al. (2018, December 1). IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report). Pure and Applied Chemistry, 90(12), 1833–2092.
  10. Zhang, et al. (2011, January 11). Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Journal of Chemical & Engineering Data, 56(2), 328–337.

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