Beryllium (Be) - 4 on the Periodic Table | Periodic Table

Standard IUPAC: Beryllium • Symbol: Be • Atomic Mass: 9.0121831 u

Quick Factsheet: Beryllium (symbol Be, atomic number 4) is element 4 on the periodic table of elements. It has a standard atomic weight of 9.0121831 u and an electron configuration of [He] 2s2. On the periodic table, Beryllium is classified in period 2 and group Main.

1. Periodic Table Position of Beryllium (4 on the Periodic Table)

Element Beryllium has atomic number Z = 4, meaning it contains 4 protons in its atomic nucleus and 4 electrons in its neutral state. On the standard periodic table of elements, Beryllium is located in period 2 and group Main.

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

Full Electron Configuration: [He] 2s2

Common Oxidation States (Charges): 1,2c

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

Element Beryllium has a standard atomic weight of 9.0121831 u. Its melting point is 1560. K and boiling point is 2743. K. The Pauling electronegativity value is 1.57.

Comprehensive chemical properties and data for Beryllium (Be, Z=4).

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

4. Related Elements in the Same Chemical Family

Mg (Z=12) Ca (Z=20) Sr (Z=38) Ba (Z=56) Ra (Z=88)

5. Frequently Asked Questions about Beryllium (FAQ)

What is the chemical symbol and atomic number of Beryllium?

The chemical symbol of Beryllium is Be and its atomic number is 4.

What is the atomic mass and electron configuration of Beryllium?

Beryllium has a standard atomic mass of 9.0121831 u and ground-state electron configuration of [He] 2s2.

What periodic table group and period does Beryllium belong to?

Beryllium is located in period 2 and group Main on the periodic table of elements.

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