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This vocab list is about metals, nonmetals, and mixed groups


different forms of the same element having different molecular structures

diatomic molecule

a molecule that consists of two atoms of the same element


ability of metals to be drawn into wires


ability of metals and alloys to be rolled or hammered into thin sheets


element that typically is a hard, shiny solid, is malleable, and is a good conductor of heat and electricity

metallic bonding

occurs because electrons move freely among a metal's positively charged ions and explains properties such as ductility and the ability to conduct electricity


element that shares some properties with metals and some with nonmetals


element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically not shiny

radioactive element

element, such as radium, whose nucleus breaks down and emits particles and energy


compound formed when negative ions form an acid combine with positive ions form a base


materials having conductivity properties between that of metals (good conductors) and nonmetals (insulators) and having contollable conductivity parameters


the process of a solid changing directly to a vapor without forming a liquid

transition element

elements in Group 3 through 12 of the periodic table; occur in nature as uncombined elements and include the iron triad and coinage metals

transuranium element

elements having more than 92 protons, all of which are synthetic and unstable

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