Examlex
Permafrost is permanently frozen ground.
Dibutyl Ether
An organic compound formed by the dehydration of butanol, used as a solvent and in chemical synthesis.
Atomic Number
The number of protons in the nucleus of an atom, which defines the element's identity.
Mass Number
The total number of protons and neutrons in an atom's nucleus, representing the atom's mass more closely than the atomic number.
Spectral Data
Information obtained from analyzing the spectrum of light absorbed, emitted, or scattered by materials, used in identifying chemical substances.
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