Examlex
A vertical cross section of a soil from the surface down to the parent material from which it forms is called the ____________________.
Mole
A unit in chemistry used to express amounts of a chemical substance, defined as containing exactly 6.02214076×10²³ particles, such as atoms or molecules.
S Atoms
Sulfur atoms, which are nonmetallic elements with the atomic number 16 known for their yellow crystals and role in biological systems.
Mass
A measure of the amount of matter in an object, typically in kilograms or grams, independent of its volume or any forces acting on it.
Mole
A basic unit of measure in chemistry that represents a quantity of chemical substance containing approximately 6.022 x 10^23 particles, atoms, molecules, ions or electrons.
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