Hydrogen (H) - 1 on the Periodic Table | Periodic Table

Standard IUPAC: Hydrogen • Symbol: H • Atomic Mass: 1.008 u

Quick Factsheet: Hydrogen (symbol H, atomic number 1) is element 1 on the periodic table of elements. It has a standard atomic weight of 1.008 u and an electron configuration of 1s1. On the periodic table, Hydrogen is classified in period 1 and group Main.

1. Periodic Table Position of Hydrogen (1 on the Periodic Table)

Element Hydrogen has atomic number Z = 1, meaning it contains 1 protons in its atomic nucleus and 1 electrons in its neutral state. On the standard periodic table of elements, Hydrogen is located in period 1 and group Main.

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

Full Electron Configuration: 1s1

Common Oxidation States (Charges): -1c,1c

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

Element Hydrogen has a standard atomic weight of 1.008 u. Its melting point is 14.01 K and boiling point is 20.28 K. The Pauling electronegativity value is 2.20.

Comprehensive chemical properties and data for Hydrogen (H, Z=1).

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

4. Related Elements in the Same Chemical Family

C (Z=6) N (Z=7) O (Z=8) F (Z=9) P (Z=15) S (Z=16)

5. Frequently Asked Questions about Hydrogen (FAQ)

What is the chemical symbol and atomic number of Hydrogen?

The chemical symbol of Hydrogen is H and its atomic number is 1.

What is the atomic mass and electron configuration of Hydrogen?

Hydrogen has a standard atomic mass of 1.008 u and ground-state electron configuration of 1s1.

What periodic table group and period does Hydrogen belong to?

Hydrogen is located in period 1 and group Main on the periodic table of elements.

← Previous Element: Og (Z=118) Next Element: He (Z=2) →