Hydrogen is a chemical element; it has the symbol H and atomic number 1. It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter.

Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Hydrogen is estimated to make up more than 90% of all the atoms three quarters of the mass of the universe! This element is found in the stars, and plays an important part in powering the …

Dec 7, 2025 · Hydrogen has three known isotopes. The mass numbers of hydrogen’s isotopes are 1, 2, and 3, the most abundant being the mass 1 isotope generally called hydrogen (symbol H, …

Hydrogen atoms have 1 electrons and the shell structure is 1. The ground state electronic configuration of neutral hydrogen is 1s1 and the term symbol of hydrogen is 2S1/2.

Hydrogen is a chemical element of the periodic table with chemical symbol H and atomic number 1 with an atomic weight of 1.0079 u and is classed as a nonmetal.

Hydrogen (pronounced as Hi-dreh-jen) is a colorless gas represented by the chemical symbol H. It is the first element in the periodic table, belonging to the family of nonmetals [1]. Since …

Hydrogen is the chemical element with the symbol H and atomic number 1. It belongs to the Nonmetal group and is located in period 1 of the periodic table. It exists as a gas under …

Hydrogen is a chemical element; it has the symbol H and atomic number 1. It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter.

Nov 21, 2020 · Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. The chemical symbol for Hydrogen is H.