Help defend free speech and free scientific inquiry in the U.S. Sign the Academic Freedom Petition.

From CreationWiki, the encyclopedia of creation science

Actinium
General Info
Atomic Symbol	Ac
Atomic Number	89
Atomic Weight	?.?? g/molwarning.png"?.?? g/mol" is not a number.
Chemical series	[[]]
Appearance
Group, Period, Block
Electron configuration
Electrons per shell
CAS number	warning.pngEmpty strings are not accepted.
Physical properties
Phase
Density	g/mlwarning.png" g/ml" is not a number.
Melting point	warning.png"" is not a number.
Boiling point	warning.png"" is not a number.
Isotopes of Actinium
iso NA half-life DT DE (MeV) DP is stable with neutrons.
All properties are for STP unless otherwise stated.

Actinium is the 89th element.

See Also

• Periodic Table of Elements
• Elements
• Atoms
• Chemistry