コバルト (Co) - 27 on the Periodic Table | 周期表

Standard IUPAC: コバルト • Symbol: Co • Atomic Mass: 58.933194 u

クイックファクトシート: コバルト (symbol Co, atomic number 27) is element 27 on the periodic table of elements. It has a standard atomic weight of 58.933194 u and an electron configuration of [Ar] 4s2 3d7. On the periodic table, コバルト is classified in period 4 and group Main.

1. Periodic Table Position of コバルト (27 on the Periodic Table)

Element コバルト has atomic number Z = 27, meaning it contains 27 protons in its atomic nucleus and 27 electrons in its neutral state. On the standard periodic table of elements, コバルト is located in period 4 and group Main.

2. Electron Configuration & Oxidation States (コバルト Charges & Configuration)

Full Electron Configuration: [Ar] 4s2 3d7

Common Oxidation States (Charges): -1,1,2c,3c,4,5

3. Physical Properties & Atomic Mass (コバルト Atomic Mass)

Element コバルト has a standard atomic weight of 58.933194 u. Its melting point is 1768. K and boiling point is 3.2e3 K. The Pauling electronegativity value is 1.88.

Comprehensive chemical properties and data for Cobalt (Co, Z=27).

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

4. Related Elements in the Same Chemical Family

Sc (Z=21) Ti (Z=22) V (Z=23) Cr (Z=24) Mn (Z=25) Fe (Z=26)

5. Frequently Asked Questions about コバルト (FAQ)

What is the chemical symbol and atomic number of コバルト?

The chemical symbol of コバルト is Co and its atomic number is 27.

What is the atomic mass and electron configuration of コバルト?

コバルト has a standard atomic mass of 58.933194 u and ground-state electron configuration of [Ar] 4s2 3d7.

What periodic table group and period does コバルト belong to?

コバルト is located in period 4 and group Main on the periodic table of elements.

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