63 Lanthanide

Europium

RIS 0.046

Velocity —

Rank#40

Co-citedTb

Physical properties

Category Lanthanide

Block f-block

State Solid

Config [Xe] 4f7 6s2

Electronegativity 1.2

Density 5.243 g/cm³

Melting 1099.0 K

Boiling 1802.0 K

Ionization 547.1 kJ/mol

Oxidation +2, +3

Discovered 1901 · Eugene-Anatole Demarcay

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