Magnesium (Mg) - 12 on the Periodic Table | Periodic Table

Standard IUPAC: Magnesium • Symbol: Mg • Atomic Mass: 24.305 u

Quick Factsheet: Magnesium (symbol Mg, atomic number 12) is element 12 on the periodic table of elements. It has a standard atomic weight of 24.305 u and an electron configuration of [Ne] 3s2. On the periodic table, Magnesium is classified in period 3 and group Main.

1. Periodic Table Position of Magnesium (12 on the Periodic Table)

Element Magnesium has atomic number Z = 12, meaning it contains 12 protons in its atomic nucleus and 12 electrons in its neutral state. On the standard periodic table of elements, Magnesium is located in period 3 and group Main.

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

Full Electron Configuration: [Ne] 3s2

Common Oxidation States (Charges): 1,2c

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

Element Magnesium has a standard atomic weight of 24.305 u. Its melting point is 923. K and boiling point is 1363. K. The Pauling electronegativity value is 1.31.

Comprehensive chemical properties and data for Magnesium (Mg, Z=12).

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

4. Related Elements in the Same Chemical Family

Be (Z=4) Ca (Z=20) Sr (Z=38) Ba (Z=56) Ra (Z=88)

5. Frequently Asked Questions about Magnesium (FAQ)

What is the chemical symbol and atomic number of Magnesium?

The chemical symbol of Magnesium is Mg and its atomic number is 12.

What is the atomic mass and electron configuration of Magnesium?

Magnesium has a standard atomic mass of 24.305 u and ground-state electron configuration of [Ne] 3s2.

What periodic table group and period does Magnesium belong to?

Magnesium is located in period 3 and group Main on the periodic table of elements.

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