リチウム (Li) - 3 on the Periodic Table | 周期表

Standard IUPAC: リチウム • Symbol: Li • Atomic Mass: 6.94 u

クイックファクトシート: リチウム (symbol Li, atomic number 3) is element 3 on the periodic table of elements. It has a standard atomic weight of 6.94 u and an electron configuration of [He] 2s1. On the periodic table, リチウム is classified in period 2 and group Main.

1. Periodic Table Position of リチウム (3 on the Periodic Table)

Element リチウム has atomic number Z = 3, meaning it contains 3 protons in its atomic nucleus and 3 electrons in its neutral state. On the standard periodic table of elements, リチウム is located in period 2 and group Main.

2. Electron Configuration & Oxidation States (リチウム Charges & Configuration)

Full Electron Configuration: [He] 2s1

Common Oxidation States (Charges): 1c

3. Physical Properties & Atomic Mass (リチウム Atomic Mass)

Element リチウム has a standard atomic weight of 6.94 u. Its melting point is 453.69 K and boiling point is 1615. K. The Pauling electronegativity value is 0.98.

Comprehensive chemical properties and data for Lithium (Li, Z=3).

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

4. Related Elements in the Same Chemical Family

Na (Z=11) K (Z=19) Rb (Z=37) Cs (Z=55) Fr (Z=87)

5. Frequently Asked Questions about リチウム (FAQ)

What is the chemical symbol and atomic number of リチウム?

The chemical symbol of リチウム is Li and its atomic number is 3.

What is the atomic mass and electron configuration of リチウム?

リチウム has a standard atomic mass of 6.94 u and ground-state electron configuration of [He] 2s1.

What periodic table group and period does リチウム belong to?

リチウム is located in period 2 and group Main on the periodic table of elements.

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