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Two different atoms organized into a lattice layer

Stock Photo:
Image ID: 53702656
Small
500x334 6.9"x4.6" (72dpi) 135 KB
Med
1000x667 3.3"x2.2" (300dpi) 487 KB
Large
5444x3629 18.1"x12.1" (300dpi) 8.6 MB
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