Europium vs Gadolinium

Pumili ng hanggang 3 elemento at tingnan kung paano sila nagkakaiba.

KatangianEuropiumGadolinium
Atomic number 63 64
Atomic mass 151.96 157.25
Electronegativity 1.2 1.2
Melting point 1,099 K (825.8 °C) 1,585 K (1,311.8 °C)
Boiling point 1,802 K (1,528.8 °C) 3,546 K (3,272.8 °C)
Density 5.264 g/cm³ 7.9 g/cm³
Atomic radius 233 pm 237 pm
Ionization energy 5.67 eV 6.15 eV
Natuklasan 1901 1880
Kategorya Lanthanide Lanthanide
Estado sa temp. ng silid Solid Solid
Block f f
Grupo — —
Peryodo 6 6
Valence electron 2 2
Karaniwang karga +2, +3 +3
Electron configuration [Xe] 4f7 6s2 [Xe] 4f7 5d1 6s2