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Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic .
Symbol: Mg
Atomic mass: 24.305 u
Electron configuration: [Ne] 3s2
Atomic number: 12
Melting point: 650 °C
Oxidation number: 2
Traditionally they include boron from group 3A, silicon and germanium in group 4A, aresnic and antimony in group 5A and tellurium from group 6A, although sometimes selenium, astatine, polonium and even bismuth have also been considered as metalloids. Typically metalloids are brittle and show a semi-metallic luster.
The six commonly recognised metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium. Five elements are less frequently so classified: carbon, aluminium, selenium, polonium, and astatine.
The answer is B, sodium is an element.
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i think i like 14 or 8 atom
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a metal spoon left in boiling water
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