Poor metal
The poor metals or post-transition metals are the metallic elements of the p-block of the periodic table, occurring between the metalloids and the transition metals. They are more electropositive than the transition metals, but less so than the alkali metals and alkaline earth metals. Their melting and boiling points are generally lower than those of the transition metals, and they are also softer. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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~ ~ ~ ~ ~ ~ ~ ~ ~ ~ The poor metals are aluminium, gallium, indium, tin, thallium, lead, and bismuth. Elements 113 to 116 are provisionally included in this category, and are known temporarily as: ununtrium, ununquadium, ununpentium and ununhexium. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Metal: :For alternative meanings see metal (disambiguation).... P-block: The p-block of the periodic table of the elements consists of the last six groups minus helium. In the elemental form of the p-block elements, the highest energy electron occupies a p-orbital. The p-block contains all of the nonmetals and semimetals, as well as some of the metals.... Periodic table: The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements. First created by Dmitri Mendeleev, the elements are arranged by electron configuration so that many chemical properties follow a regular pattern across the tabl... Poor metal related Images and Photos (experimental)
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~ Related Subjects ~Periodic table (2) - Metal (2) - Group (1) - Elements (1) - Orbital (1) - Helium (1) - Ununquadium (1) - Ununtrium (1) - Ununhexium (1) - Ununpentium (1) - Chemical properties (1) - Electron (1) - Chemical symbol (1) - Atomic number (1) - Semimetal (1) -~ Community ~
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