Actinium (Ac) Fun Facts
"The Blue Glow, a hero who is so radioactive it makes the very air around it glow."
The true essence of Actinium (Ac) on the molecular frontier.
Actinium is a silvery, highly radioactive metal that glows blue in the dark.
Actinium has no everyday connection, used only in research.
Actinium is the first element of the actinide series � which is named after it.
Test your knowledge with more interactive quizzes on the periodic table.
Reinforce what you learned with quick flashcard decks.
Master the elements with smart drills and rapid-fire revision sessions.
Did You Know?
Its name comes from the Greek word 'aktis' or 'aktinos', meaning 'beam' or 'ray', due to its intense radioactivity.
It glows in the dark with an eerie pale blue light. This is not due to phosphorescence, but because its intense radioactivity excites the nitrogen and oxygen atoms in the surrounding air, causing them to emit light.
It is about 150 times more radioactive than radium.
It is the first element in the actinide series, which is named after it.
It is primarily used as a powerful source of neutrons for research purposes.