Yes. Europium is a metal, classified as a lanthanide on the periodic table.

How many protons does europium have?

Europium has 63 protons. Its atomic number is 63, which is also the number of electrons in a neutral atom of europium.

What group and period is europium in?

Europium is in period 6 of the periodic table. As a lanthanide in the f-block, it sits in a separate row below the main table and has no standard group number.

What is the atomic mass of europium?

The atomic mass of europium is 151.96 u (unified atomic mass units).

Element 63

Europium (Eu)

Lanthanide · Period 6 · f-block

Europium (Eu) is element 63 of the periodic table, a lanthanide in period 6 (f-block) with an atomic mass of 151.96 and is a solid at standard conditions.

At a glance

Atomic number: 63
Symbol: Eu
Atomic mass: 151.96 u
Category: Lanthanides
Period: 6
Block: f-block
Phase at STP: solid

Electron structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 6s2
Shorthand configuration: [Xe] 4f7 6s2
Electrons per shell: 2, 8, 18, 25, 8, 2
Oxidation states: +2, +3

Physical properties

Melting point: 1,099 K (825.85 °C)
Boiling point: 1,802 K (1,528.85 °C)
Density: 5.243 g/cm³
Phase: solid

Atomic properties

Electronegativity (Pauling): 1.2
Atomic radius: 231 pm
Covalent radius: 198 pm
First ionization energy: 547 kJ/mol
Electron affinity: 50 kJ/mol

Notable isotopes

Notable isotopes of Europium: mass number, atomic mass, natural abundance, and stability.
Isotope	Mass	Abundance	Stability
Eu-153	152.92124	52.19%	Stable

Common uses

TV screens
Euro banknote security
Fluorescent lamps
Lasers

Discovery

Year: 1901
Discovered by: Eugène-Anatole Demarçay
Country: France

Frequently asked questions

Is europium a metal?: Yes. Europium is a metal, classified as a lanthanide on the periodic table.
How many protons does europium have?: Europium has 63 protons. Its atomic number is 63, which is also the number of electrons in a neutral atom of europium.
What group and period is europium in?: Europium is in period 6 of the periodic table. As a lanthanide in the f-block, it sits in a separate row below the main table and has no standard group number.
What is the atomic mass of europium?: The atomic mass of europium is 151.96 u (unified atomic mass units).

Keep exploring

Europium's row is on the printable element property sheet, and its tile is on the periodic table wall chart - the same numbers as above, laid out for A4 or A3 paper.