Examlex
Potassium forms an ion with a charge of ________.
Fluorine
A highly reactive, pale yellow gas at room temperature, being the most electronegative and reactive of all the elements.
Francium
A highly radioactive metal with the atomic symbol Fr, the least stable and most rare naturally occurring element in the periodic table.
Conduct
To transmit or facilitate the transfer of something such as electricity or heat.
Atoms
The basic units of matter composed of a nucleus surrounded by electrons, representing the smallest component of an element that retains its chemical properties.
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