Neptunium (Np) - 93 on the Periodic Table | Periodic Table

Standard IUPAC: Neptunium • Symbol: Np • Atomic Mass: 237 u

Quick Factsheet: Neptunium (symbol Np, atomic number 93) is element 93 on the periodic table of elements. It has a standard atomic weight of 237 u and an electron configuration of [Rn] 7s2 5f4 6d1. On the periodic table, Neptunium is classified in period 7 and group Main.

1. Periodic Table Position of Neptunium (93 on the Periodic Table)

Element Neptunium has atomic number Z = 93, meaning it contains 93 protons in its atomic nucleus and 93 electrons in its neutral state. On the standard periodic table of elements, Neptunium is located in period 7 and group Main.

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

Full Electron Configuration: [Rn] 7s2 5f4 6d1

Common Oxidation States (Charges): 3,4,5c,6,7

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

Element Neptunium has a standard atomic weight of 237 u. Its melting point is 917. K and boiling point is 4273. K. The Pauling electronegativity value is 1.36.

Comprehensive chemical properties and data for Neptunium (Np, Z=93).

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) Pu (Z=94) Am (Z=95)

5. Frequently Asked Questions about Neptunium (FAQ)

What is the chemical symbol and atomic number of Neptunium?

The chemical symbol of Neptunium is Np and its atomic number is 93.

What is the atomic mass and electron configuration of Neptunium?

Neptunium has a standard atomic mass of 237 u and ground-state electron configuration of [Rn] 7s2 5f4 6d1.

What periodic table group and period does Neptunium belong to?

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

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