Periodic Table · element

Mendelevium

Md · Z 101

atomic number

101

atomic mass

258

notation

Md

group

f-block: Actinide

period

7

state0c

Solid

state20c

Unknown

occurrence

Synthetic

melting pt

827

discovered

1955

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From the All Periodical Elements database in Notion, last edited 2026-08-13. This page is the row, rendered by the build; nothing on it is written by hand.