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Bookmark or Share- Hydrogen - WikipediaHydrogen 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 H 2, sometimes called dihydrogen, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
- Hydrogen | Properties, Uses, & Facts | BritannicaHydrogen, a colorless, odorless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The earliest known chemical property of hydrogen is that it burns with oxygen to form water; indeed, the name hydrogen is derived from Greek words meaning ‘maker of water.’.
- Hydrogen atom - WikipediaA hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.
- Hydrogen Facts - H or Atomic Number 1 - ThoughtCoAtomic Number: 1. Group: Group 1. Classification: Nonmetal. Block: s-block. Electron Configuration: 1s1. Phase at STP: Gas. Melting Point: 13.99 K (−259.16 °C, −434.49 °F) Boiling Point: 20.271 K (−252.879 °C, −423.182 °F) Density at STP: 0.08988 g/L. Oxidation States: -1, +1. Electronegativity (Pauling Scale): 2.20.
- Hydrogen - WikiwandHydrogen 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, but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
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