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hydrogen atom

 

Definitions from WordNet

Noun hydrogen atom has 1 sense
  1. hydrogen atom - an atom of hydrogen
    --1 is a kind of
    atom
    --1 has part: hydrogen ion
    --1 has particulars: acidic hydrogen, acid hydrogen; deuterium, heavy hydrogen

Definitions from the Web

Hydrogen Atom

The hydrogen atom is the simplest and most abundant type of atom in the universe. It consists of a lone proton in its nucleus and a single electron orbiting around it in a cloud-like manner.

Senses and Usages:

Noun:

  • 1. Chemistry: A hydrogen atom refers to an atom of the chemical element hydrogen, symbolized as H. It is composed of a single proton as its atomic nucleus and an electron that revolves around it.
  • Sample Sentence: In a water molecule, two hydrogen atoms are bonded to an oxygen atom.

Noun:

  • 2. Physics: In physics, a hydrogen atom specifically denotes an atom of hydrogen in its ground state, which is the lowest energy level. It serves as a fundamental model and plays a vital role in quantum mechanics.
  • Sample Sentence: The study of the hydrogen atom paved the way for a deeper understanding of atomic structure.

Noun:

  • 3. Astronomy: In astronomy, a hydrogen atom refers to a neutral hydrogen atom, which is a single proton and electron. It is the most abundant and important atom in space, serving as a key indicator of astronomical phenomena.
  • Sample Sentence: The detection of hydrogen atoms in interstellar clouds provides valuable insights into the formation of new stars.

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