Periodic Table · element

Plutonium

Pu · Z 94

atomic number

94

atomic mass

244

notation

Pu

group

f-block: Actinide

period

7

state0c

Solid

state20c

Solid

occurrence

From Decay

density

19.816

melting pt

639.4

boiling pt

3228

discovered

1941

abundance

3e-11

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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.