Elements recognized as metalloids
v
t
e
	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 (86–99%): B, Si, Ge, As, Sb, Te Irregularly recognized (40–49%): Po, At Less commonly recognized (24%): Se Rarely recognized (8–10%): C, Al (All other elements cited in less than 6% of sources) Arbitrary metal-nonmetal dividing line: between Be and B, Al and Si, Ge and As, Sb and Te, Po and At
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

These references will appear in the article, but this list appears only on this page.

The references of group "n":

^ 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

Template documentation[view] [edit] [history] [purge]

Usage[edit]

Setting parameter |addnotes=no hides the verbose explanation.

Technical[edit]

Legend colors used:

Colors used

((element color|Metalloid citeclass 1 of 4)) → #baffba (93%)
((element color|Metalloid citeclass 2 of 4)) → #badcff (44%)
((element color|Metalloid citeclass 3 of 4)) → #ffbadc (24%)
((element color|Metalloid citeclass 4 of 4)) → #ffffba (9%)

The colors are calculated through HSV:

H-S-V: H-65-240 for all (1/240 scale)

H: gr/bl/rd/ye = 80/140/220/40

References

See also[edit]

Periodic table templates and files

((Navbox periodic table)) ((Sidebar periodic table))

Column counts are columns only that contain elements. "Compact cells" denote cells with element symbol only, have navbox style and the table fits basic wiki page width (1024×768). "Detailed cells" have more data, and may cause page width excess (scroll bar added). "Extended" periodic tables are about theoretical periods 8 and higher (element 119 and higher).

Table forms

Standard	18 columns: ((Basic)) image:Periodic table 32 columns: ((Micro cells (box))) ((bare)) ((Compact))
Extended	Standard ((Extended, 32 columns, navbox)) by Aufbau ((50 columns, period 8)) ((50 columns, compact))
Alternative structure	Left step by Janet: ((Left step (with shell filling sequence)))

Element
properties

Data	((Element data pages)) Category:Infobox element data sets (45) ((overview)) ((Boiling point)) ((Melting point))
Variants	((Transuranium element))
Electron configuration	((Electron configuration)) ((Electronegativity by Allen scale)) ((Electronegativity by Pauling scale))