ベリリウム (Be) - 4 on the Periodic Table | 周期表
Standard IUPAC: ベリリウム • Symbol: Be • Atomic Mass: 9.0121831 u
1. Periodic Table Position of ベリリウム (4 on the Periodic Table)
Element ベリリウム 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, ベリリウム is located in period 2 and group Main.
2. Electron Configuration & Oxidation States (ベリリウム Charges & Configuration)
[He] 2s2
3. Physical Properties & Atomic Mass (ベリリウム Atomic Mass)
Element ベリリウム 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).
4. Related Elements in the Same Chemical Family
5. Frequently Asked Questions about ベリリウム (FAQ)
What is the chemical symbol and atomic number of ベリリウム?
The chemical symbol of ベリリウム is Be and its atomic number is 4.
What is the atomic mass and electron configuration of ベリリウム?
ベリリウム has a standard atomic mass of 9.0121831 u and ground-state electron configuration of [He] 2s2.
What periodic table group and period does ベリリウム belong to?
ベリリウム is located in period 2 and group Main on the periodic table of elements.