Ontify
⌘
S
⌘
S
Share
Actinium
Element 89
Chemical element with symbol Ac and atomic number 89.
Wikipedia | Actinium
Statements about
Actinium
Discoverer or Inventor
André-Louis Debierne
Instance Of
Chemical Element
Follows
:
Radium
Followed By
:
Thorium
Radioactive Element
Atomic Number
89
Commons Gallery
Actinium
Described by Source
Great Soviet Encyclopedia (1926–1947)
Statement Is Subject Of
:
Q29668894
Brockhaus and Efron Encyclopedic Dictionary
Statement Is Subject Of
:
Q24329319
Small Brockhaus and Efron Encyclopedic Dictionary
Statement Is Subject Of
:
Q24730609
Granat Encyclopedic Dictionary
Statement Is Subject Of
:
Q87335783
Armenian Soviet Encyclopedia, Vol. 1
Page(s)
:
230
Schematic
Has Characteristic
Radioactivity
Unicode Character
錒
Mass
227.028 dalton
Part Of
Group 3
Follows
:
Lanthanum
Period 7
Follows
:
Radium
Followed By
:
Thorium
Series Ordinal
:
3
Image
Named After
Light Beam
Subject Named As
:
ακτίνος
Language of Work or Name
:
Greek
Permanent Duplicated Item
Q22828445
Plaque Image
External Pages About Actinium
BabelNet
Encyclopædia Britannica Online
KBpedia
Encyclopedia of China (Third Edition)
Wikidata
