arsenic

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Figure 9: Structures of some native elements. (A) Close-packed model of simple cubic packing of equal spheres, as shown by iron. Each sphere is surrounded by eight closest neighbours. (B) Close-packed model of the structure of arsenic and antimony. Flat areas represent overlap between adjoining atoms. (C) Partial representation of the structure of diamond. (D) The structure of graphite with sheets perpendicular to the c axis.

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10 of the World’s Most Dangerous Fish

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arsenic: Facts & Related Content

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About 15% of world’s cropland polluted with toxic metals, say researchers • Apr. 19, 2025, 5:42 AM ET (The Guardian)

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nuclear binding energies

Figure 9: Structures of some native elements. (A) Close-packed model of simple cubic packing of equal spheres, as shown by iron. Each sphere is surrounded by eight closest neighbours. (B) Close-packed model of the structure of arsenic and antimony. Flat areas represent overlap between adjoining atoms. (C) Partial representation of the structure of diamond. (D) The structure of graphite with sheets perpendicular to the c axis.

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Topics

gray arsenic arsenic poisoning chemical element nitrogen group element hydrogen carbon sodium nitrogen sulfur phosphorus boron iodine fluorine zinc

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nitrogen group element: Introduction

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Georg Brandt

Swedish chemist

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Periodic table of the elements. Left column indicates the subshells that are being filled as atomic number Z increases. The body of the table shows element symbols and Z. analysis and measurement

Periodic Table of the Elements