Fluorine vs Dysprosium

PropertyF FluorineDy Dysprosium
Atomic number966
SymbolFDy
NameFluorineDysprosium
Categoryhalogenlanthanide
Standard Atomic Weight18.998403 u162.5 u
Period26
Group17N/A
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p5[Xe]6s24f10
Oxidation states-1[0, 1, 2, 3, 4]
Electronegativity (Pauling)3.981.22
Electron affinity3.4011 eV0.352 eV
Density1.696 kg/m³8550 kg/m³
Melting point-219.62 °C1411.85 °C
Boiling point-188.12 °C2566.85 °C
Discovery year18861878