Apedia

Actinium Ac Rn 6d 7s La Ra

Z 89
Symbol Ac
Name Actinium
Period 7
Atomic mass Scalar [227]
Density Scalar 10070
Melting point Scalar 1323.15
Boiling point Scalar 3471
Specific heat capacity Scalar 0.12
Electronegativity Scalar 1.1
Abundance <0.001
Ionisation energy Scalar 5.17
Atomic radius Scalar 195
Electron configuration [Rn] 6d1 7s2
Top neighbor La
Left neighbor Ra
Right Neighbor Th
German name Actinium

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