Examlex
The symbol of the isotope having Z = 88 and A = 226 is ________.
Iron
A chemical element with symbol Fe and atomic number 26, known for its hardness and magnetic properties, and widely used in construction and manufacturing.
Topsoil
The upper, outermost layer of soil, usually the top 2-8 inches, that has the highest concentration of organic matter and microorganisms.
Humus
The organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
Leaching
The process where water carries soluble substances or small particles through the soil or other permeable material.
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