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chapter 19 vocab
Term | Definition |
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Metal | element that typically is a hard, shiny solid, is malleable, and is a good conductor of heat and electricity |
malleable | ability of metals and alloys to be tolled ot hammered into thin sheets. |
ductile | ability of metals to be drawn into wires |
metallic bonding | occurs because electrons move freely among a metals positivity charged ions and explains properties such as ductility and the ability to conduct electricity. |
radioactive element | element, such as radium, whose nucleus breaks down and emits particles and energy |
transition element | elements in Group 3 through 12 of the periodic table; occur in nature as as uncombined elements and include the iron traid and coinage metals. |