Erbium (Er) - 68 on the Periodic Table | Periodic Table

Standard IUPAC: Erbium • Symbol: Er • Atomic Mass: 167.259 u

Quick Factsheet: Erbium (symbol Er, atomic number 68) is element 68 on the periodic table of elements. It has a standard atomic weight of 167.259 u and an electron configuration of [Xe] 6s2 4f12. On the periodic table, Erbium is classified in period 6 and group Main.

1. Periodic Table Position of Erbium (68 on the Periodic Table)

Element Erbium has atomic number Z = 68, meaning it contains 68 protons in its atomic nucleus and 68 electrons in its neutral state. On the standard periodic table of elements, Erbium is located in period 6 and group Main.

2. Electron Configuration & Oxidation States (Erbium Charges & Configuration)

Full Electron Configuration: [Xe] 6s2 4f12

Common Oxidation States (Charges): 3c

3. Physical Properties & Atomic Mass (Erbium Atomic Mass)

Element Erbium has a standard atomic weight of 167.259 u. Its melting point is 1770. K and boiling point is 3141. K. The Pauling electronegativity value is 1.24.

Comprehensive chemical properties and data for Erbium (Er, Z=68).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

La (Z=57) Ce (Z=58) Pr (Z=59) Nd (Z=60) Pm (Z=61) Sm (Z=62)

5. Frequently Asked Questions about Erbium (FAQ)

What is the chemical symbol and atomic number of Erbium?

The chemical symbol of Erbium is Er and its atomic number is 68.

What is the atomic mass and electron configuration of Erbium?

Erbium has a standard atomic mass of 167.259 u and ground-state electron configuration of [Xe] 6s2 4f12.

What periodic table group and period does Erbium belong to?

Erbium is located in period 6 and group Main on the periodic table of elements.

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