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Potassium
A soft silvery metal with the symbol K and atomic number 19, essential for life, particularly in nerve function.
Lewis Dot Structure
A visual representation of the valence electrons of an atom, ion or molecule, using dots around symbols of elements.
Selenium (Se)
A nonmetal element with atomic number 34, vital in small amounts for cellular function in many organisms, and utilized in various industrial applications.
Alkane
Hydrocarbons with the general formula CnH2n+2, consisting only of single bonds and saturated with hydrogen.
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