टेम्पलेट:Periodic table (metalloid)
Elements recognized as metalloids
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|---|---|---|---|---|---|---|
| 13 | 14 | 15 | 16 | 17 | ||
| 2 | B Boron |
C Carbon |
N Nitrogen |
O Oxygen |
F Fluorine | |
| 3 | Al Aluminium |
Si Silicon |
P Phosphorus |
S Sulfur |
Cl Chlorine | |
| 4 | Ga Gallium |
Ge Germanium |
As Arsenic |
Se Selenium |
Br Bromine | |
| 5 | In Indium |
Sn Tin |
Sb Antimony |
Te Tellurium |
I Iodine | |
| 6 | Tl Thallium |
Pb Lead |
Bi Bismuth |
Po Polonium |
At Astatine | |
Commonly recognized (93%): B, Si, Ge, As, Sb, Te
Irregularly recognized (44%): Po, At
Less commonly recognized (24%): Se
Rarely recognized (9%): C, Al
Arbitrary metal-nonmetal dividing line: between Be and B, Al and Si, Ge and As, Sb and Te, Po and At
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Recognition status, as metalloids, of some elements in the p-block of the periodic table. Percentages are median appearance frequencies in the lists of metalloids.[n 1] The staircase-shaped line is a typical example of the arbitrary metal–nonmetal dividing line found on some periodic tables. | ||||||
References
- ↑ For a related commentary see also: Vernon RE 2013, 'Which Elements Are Metalloids?', Journal of Chemical Education, vol. 90, no. 12, pp. 1703–1707, doi:10.1021/ed3008457
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