Hydrogen atom
Hydrogen Atom
The Hydrogen Atom (pronunciation: /ˈhaɪdrədʒən ˈætəm/) is the simplest and most fundamental atom known to exist in the universe. It is the building block of hydrogen, the lightest and most abundant chemical element.
Etymology
The term "Hydrogen Atom" is derived from the Greek words 'hydro' meaning water and 'genes' meaning forming or creating. This is because when hydrogen burns, it creates water.
Structure
The Hydrogen Atom consists of a single proton and a single electron. The proton is located in the atom's nucleus, while the electron orbits the nucleus in a cloud-like formation. This structure is the basis for the quantum mechanical model of the atom.
Energy Levels
The energy levels of a Hydrogen Atom are quantized, meaning they exist at specific, discrete values. This is a fundamental concept in quantum physics and is the basis for the Bohr model of the atom.
Spectral Lines
When a Hydrogen Atom is excited, it emits light at specific wavelengths, creating a unique pattern of spectral lines. This pattern, known as the hydrogen spectrum, is a key tool in spectroscopy.
Related Terms
External links
- Medical encyclopedia article on Hydrogen atom
- Wikipedia's article - Hydrogen atom
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