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 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. With …

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Hydrogen is one of the three most abundant elements present on Earth. Click for even more facts and information on this periodic table element.

Hydrogen has one proton and zero neutrons in its nucleus, and one electron in one shell. It is located in group one, period one and block s of the periodic table.

Oct 17, 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 …

Photographs and descriptions of many samples of the element Hydrogen in the Periodic Table.

Sep 1, 2024 · Hydrogen is the lightest gas because it consists of only one proton and one electron. Due to this, the total mass of hydrogen atom is the least of all known elements.

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 nonmetal and is part of group 1 (alkali …