Examlex
An electron in a hydrogen atom is in the n = 7 shell.How many possible values of the orbital quantum number l could it have?
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An environmental or agricultural term referring to the extent, type, and use of land surface areas, including natural vegetation, urban territories, and cultivated lands.
Forests
Large areas covered predominantly with trees and underbrush, playing critical roles in biodiversity, climate regulation, and resource provision.
Period
A length or portion of time.
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A form of pure carbon arranged in a crystal lattice structure, often used in jewelry and industrial applications because of its hardness and optical properties.
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