Periodic Table · element

Ytterbium

Yb · Z 70

atomic number

70

atomic mass

173.05

notation

Yb

group

f-block: Lanthanide

period

6

state0c

Solid

state20c

Solid

density

6.9

melting pt

824

boiling pt

1196

discovered

1878

abundance

3.2

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From the All Periodical Elements database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.