Examlex
Which of the following statements is TRUE?
K
Potassium, an essential dietary mineral and elemental metal with the atomic symbol 'K', crucial for nerve function and muscle contraction.
pH
A scale that measures how acidic or basic water-based solutions are, stretching from 0 to 14.
pH
A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 (most acidic) to 14 (most basic).
K
A symbol representing the element potassium, an essential dietary mineral and a highly reactive metal.
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