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The poor metals are: aluminium, gallium, indium, tin, thallium, leadFor the "lead" in news writing, see news style. Lead is a chemical element in the periodic table that has the symbol Pb ( L. Plumbum and atomic number 82. A soft, heavy, toxic and malleable poor metal, lead has a dull gray appearance and is bluish white w and bismuthBismuth is a chemical element in the periodic table that has the symbol Bi and atomic number 83. This heavy, brittle, white crystalline trivalent poor metal has a pink tinge and chemically resembles arsenic and antimony. Most diamagnetic of all metals, bi. Elements 113 to 116 can be provisionally included in this category, and are known temporarily as: ununtriumununbium ununtrium ununquadium Tl Uut Full table Predicted properties Name, Symbol, NumberUnuntrium, Uut, 113 Chemical seriesPresumably poor metals Group, Period, Block 13, 7 , p Appearance Unknown, probably a metallic and silvery white or grey colour Ato, ununquadiumUnunquadium is the temporary name of a radioactive chemical element in the periodic table that has the temporary symbol Uuq and has the atomic number 114. Ununquadium does not occur naturally. History In January 1999, ununquadium was reported informally b, ununpentiumUnunpentium is the temporary name of an unconfirmed synthetic superheavy element in the periodic table that has the temporary symbol Uup and has the atomic number 115. It has also been known as eka-bismuth''. History On February 1, 2004, the synthesis of and ununhexiumUnunhexium is the temporary name of an unconfirmed synthetic superheavy element in the periodic table that has the temporary symbol Uuh and has the atomic number 116. Some research has referred to it as "eka-polonium". History In 1999, researchers at Lawr.