Define the following termF-centres, Unit cell

1.	Define the following termF-centres, Unit cell
Answer» Explanation: F-centers... An F-center, FARBE center or color center (from the original German Farbzentrum, where Farbe means color and zentrum means center) is a TYPE of crystallographic defect in which an ANIONIC vacancy in a crystal lattice is OCCUPIED by one or more unpaired electrons. Unit cell the smallest group of atoms which has the OVERALL symmetry of a crystal, and from which the entire lattice can be built up by repetition in three dimensions. Mark as Brainlist

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Explanation:

F-centers...

An F-center, FARBE center or color center (from the original German Farbzentrum, where Farbe means color and zentrum means center) is a TYPE of crystallographic defect in which an ANIONIC vacancy in a crystal lattice is OCCUPIED by one or more unpaired electrons.

Unit cell

the smallest group of atoms which has the OVERALL symmetry of a crystal, and from which the entire lattice can be built up by repetition in three dimensions.

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Define the following termF-centres, Unit cell​