Examlex
The number of electrons in the L shell for the element whose electronic configuration is 1s22s22p63s23p2 must be
K
A symbol for potassium, a metallic chemical element with the atomic number 19, essential for various biological processes.
[H+]
The concentration of hydrogen ions in a solution, often used to measure the acidity or basicity of a solution.
HAc
Acetic acid, an organic compound with the formula CH3COOH, known for its sour taste and pungent smell, used in vinegar.
[H+]
The concentration of hydrogen ions in a solution, often used as a measure of the acidity of a solution, with lower values indicating higher acidity.
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