Periodic Table of WIS

Actinium Ac

 

Where is actinium used--or where does it impact your everyday life?

 

 

Name of Element: Actinium

Symbol: Ac

Atomic Number: 89 Atomic Mass: 227

Position on the periodic table: Group number (region): Actinides Period number: 7

Melting Point: 1050°C (1922°F)

Boiling Point: 3200°C  (5792°F)

Reaction with air:  4Ac + 3O2 --> 2Ac2O3

Reaction with water: Actinium is phosphorescent and reacts with water to produce hydrogen gas:  2Ac + 3H2O -->  Ac2O3 + 3H2

Electron Configuration: [Rn] 6d17s2

Source: LANL.gov

Researcher: Bridget C