<Tr> <Td> </Td> <Td_colspan="10"> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="10"> Commonly (93%) to rarely (9%) recognised as a metalloid: B, C, Al, Si, Ge, As, Se, Sb, Te, Po, At Very rarely (1--5%): H, Be, P, S, Ga, Sn, I, Pb, Bi, Fl, Mc, Lv, Ts Sporadically: N, Zn, Rn Metal--nonmetal dividing line: between H and Li, Be and B, Al and Si, Ge and As, Sb and Te, Po and At, and Ts and Og </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="11"> <P> Periodic table extract showing groups 1--2 and 12--18, and a dividing line between metals and nonmetals . Percentages are median appearance frequencies in the list of metalloid lists . Sporadically recognised elements show that the metalloid net is sometimes cast very widely; although they do not appear in the list of metalloid lists, isolated references to their designation as metalloids can be found in the literature (as cited in this article). </P> </Td> <Td> </Td> </Tr> <P> Periodic table extract showing groups 1--2 and 12--18, and a dividing line between metals and nonmetals . Percentages are median appearance frequencies in the list of metalloid lists . Sporadically recognised elements show that the metalloid net is sometimes cast very widely; although they do not appear in the list of metalloid lists, isolated references to their designation as metalloids can be found in the literature (as cited in this article). </P>

Substances formed from atoms of teo or more elements are called