Fermium (Fm) - 100 on the Periodic Table | Periodic Table

Standard IUPAC: Fermium • Symbol: Fm • Atomic Mass: 257 u

Quick Factsheet: Fermium (symbol Fm, atomic number 100) is element 100 on the periodic table of elements. It has a standard atomic weight of 257 u and an electron configuration of [Rn] 7s2 5f12. On the periodic table, Fermium is classified in period 7 and group Main.

1. Periodic Table Position of Fermium (100 on the Periodic Table)

Element Fermium has atomic number Z = 100, meaning it contains 100 protons in its atomic nucleus and 100 electrons in its neutral state. On the standard periodic table of elements, Fermium is located in period 7 and group Main.

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

Full Electron Configuration: [Rn] 7s2 5f12

Common Oxidation States (Charges): 2,3c

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

Element Fermium has a standard atomic weight of 257 u. Its melting point is 1.8e3 K and boiling point is N/A K. The Pauling electronegativity value is 1.3.

Comprehensive chemical properties and data for Fermium (Fm, Z=100).

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

4. Related Elements in the Same Chemical Family

Ac (Z=89) Th (Z=90) Pa (Z=91) U (Z=92) Np (Z=93) Pu (Z=94)

5. Frequently Asked Questions about Fermium (FAQ)

What is the chemical symbol and atomic number of Fermium?

The chemical symbol of Fermium is Fm and its atomic number is 100.

What is the atomic mass and electron configuration of Fermium?

Fermium has a standard atomic mass of 257 u and ground-state electron configuration of [Rn] 7s2 5f12.

What periodic table group and period does Fermium belong to?

Fermium is located in period 7 and group Main on the periodic table of elements.

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