Mendelevium information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
 Mendelevium is a Block F, Group 3, Period 7 element. The number of electrons in each of Mendelevium's shells is 2, 8, 18, 32, 31, 8, 2 and its electronic configuration is [Rn] 5f13 7s2. In its elemental form mendelevium's CAS number is 7440-11-1. The mendelevium atom has a radius of -.pm and it's Van der Waals radius is 200.pm.
Mendelevium is radioactive and therefore considered harmful. Mendelevium was discovered by Albert Ghiorso, Bernard G. Harvey, Gregory R. Choppin, Stanley G. Thompson and Glenn T. Seaborg in 1955. Mendelevium was named after Russian chemist Dmitri Ivanovitch Mendeleyev, who created the periodic table.
Mendelevium Safety Data. The safety data for mendelevium metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin. Mendelevium compounds have no biological role. Ionization Energy. The ionization energy for mendelevium (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:
Conductivity. As to mendelevium's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @ 20 şC is - µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is - The thermal conductivity of mendelevium is - W m-1 K-1. Thermal Properties of Mendelevium. The melting point and boiling point for mendelevium are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
Recent Research & Development for Mendelevium Research updated: 8/9/2011 |
| Formula | Atomic Number | Molecular Weight | Electronegativity (Pauling) | Density | Melting Point | Boiling Point | Vanderwaals radius | Ionic radius | Energy of first ionization |
| Md | 101 | (258) g.mol -1 | 1.3 | - g/L | 827 °C | - °C | .200 nm | - pm | 634.88 kJ.mol-1 |
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