chapter 3 voc. Word Scramble
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Term | Definition |
periodic table | is a chart of the elements arranged into rows and columns according to their physical and chemical properties |
group | is a column in the periodic table |
periods | the rows on the periodic table |
metal | is an element that is generally shiny. It is easily pulled into wires or hammered into thin sheets. A metal is a good conductor of electricity and thermal energy. |
luster | describes the ability of a metal to reflect light. |
ductility | is the ability to be pulled into wires |
malleability | is the ability of a substance to be hammered or rolled into sheets |
alkali metals | the elements in group 1 |
alkaline earth metals | the elements in group 2 on the periodic table |
transition elements | the elements in groups 3-12 |
nonmetals | are elements that have no metallic properties |
halogen | an element in group 17 of the periodic table |
noble gases | the elements in group 18 |
metalloid | is an element that has physical and chemical properties of both metals and nonmetals |
semiconductor | conducts electricity at high temperature, but not at low temperatures |
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