Assertion: actinium | /r/HasProperty | ac
Facets:
Source sentences:
text: AcIt has no significant commercial applications.89Learn more about the atomic number Heavy, silvery-white, very radioactive metal227,0278Learn more about the atomic mass Greek: akis, aktinos (ray).solidDiscovered By: André DebierneYear: 1899Location: FranceWant to learn more details and data about Actinium (Ac)?
text: Electron Configuration of Actinium (Ac)
text: Actinium (Ac) is a chemical element.
text: Scandium (Sc) and yttrium (Y) are always included, but the other two spaces are usually occupied by lanthanum (La) and actinium (Ac), or by lutetium (Lu) and lawrencium (Lr); less frequently, it is considered the group should be expanded to 32 elements (with all the lanthanides and actinides included) or bifurcated to include both La-Ac and Lu-Lr.
text: Actinium (Ac) is a chemical element.
text: Actinium (Ac) is a chemical element.