Αποτελέσματα Αναζήτησης
Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2, sometimes called dihydrogen, [11] but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
3 ημέρες πριν · hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus.
11 Μαρ 2021 · What is Hydrogen? Hydrogen, symbol H, molecular formula H 2 is a colorless, odorless, tasteless, flammable gaseous chemical substance in the periodic table. In chemistry or chemical science, the hydrogen atom is the only member of the chemical element in which the valence electron is under the direct influence of the nucleus. It bearing one ...
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 has an atomic number of 1 and atomic mass of 1.007825g.mol-1. It has a boiling point of -252.8C and a melting point of -259.2 C. Chemical Characteristics. Hydrogen is a highly (combustible) flammable gas. Hydrogen is more soluble in organic solvents and less soluble in water. At room temperature, hydrogen is stable and unreactive.
3 Σεπ 2024 · Hydrogen is the simplest and most abundant element in the universe, consisting of just one proton and one electron. This lightweight, colorless gas is found in great abundance in stars and gas giants and is a fundamental building block in the chemistry of life.
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 a diatomic gas, it’s denoted by the molecular formula H 2. Hydrogen Symbol. Isotopes.
