Category
actinide
State at Room Temperature
solid
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹³
Valence Electrons
2
Lewis Dot:••
Electronegativity
1.3
Pauling scale
Oxidation States
+2+3
Melting Point
1100 K
826.85°C
Position in Table
Group Period 7f-block
Discovery
Historical Information
Discovered byAlbert Ghiorso, Glenn T. Seaborg, Gregory R. Choppin, Bernard G. Harvey, Stanley G. Thompson
Year1955
Common Uses
Applications & Industries
Research in nuclear chemistry
Related Elements
Same group or period
Related Calculators
Need more chemistry tools? Check out writingpromptforge.com for additional resources.