Stable isotope Flerovium (Fl)

Isotope Atomic Mass Half-life Mode of Decay
Fl-285 285 0.00058 seconds α to Cn-281
Fl-286 286 0.10 seconds SF
Fl-287 287 5.00 seconds α to Cn-283
Fl-288 288 6.00 seconds α to Cn-284
Fl-289 289 21.00 seconds α to Cn-285

Properties of Flerovium

Name Flerovium
Symbol Fl
Atomic number 114
Atomic weight [289]
Standard state Presumably a solid at 298 °K
CAS Registry ID 54085-16-4
Group in periodic table 14
Group name None
Period in periodic table 7
Block in periodic table p-block
Color Unknown, but probably metallic and silvery white or gray in appearance
Classification Metallic
Melting point 67 °C (predicted)
Boiling point 147 °C
Heat of vaporization 38 (predicted) kJ·mol-1
Density of solid 14 g/cm3 (predicted)
Electron configuration [Rn]5f146d107s27p2
Oxidation states 0, +2, +4