Here you can read more about the chemical element Mendelevium. Its shemical symbol is Md and its atomic number is 101. The relative atomic mass of Mendelevium is 258 u. The elemental classification of Mendelevium is Actinides, and it belongs to group 3 and period 7 in the Periodic Table of Elements.
Mendelevium was discovered in the year 1955 by Lawrence Berkeley National Laboratory.
To the right (or below if you are using a mobile device with a smaller screen) you will find the information given above for the element Mendelevium ordered in tabular form, which might be easier to read and use if you want to quantify it in some sort.