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chapter 3 vocab
| Term | Definition |
|---|---|
| periodic table | is the chart of the elements arranged into rows and columns according to their physical and chemical properties. |
| group | is a column on the periodic table. |
| periods | the rows on the periodic table. |
| metal | is an element that is generally shiny. |
| luster | describes the ability of a metal to reflect light. |
| ductility | is the ability to be pulled into thin wires. |
| malleability | is the ability of a substance to be hammered or rolled into sheets. |
| alkali | the elements in group 1 are called alkali. |
| metals | lithium, sodium, potassium, rubidium, cesium, and francium. |
| alkaline | the elements in group 2. |
| earth metals | they are also metals. |
| transition elements | the elements in group 3 |
| nonmetals | are elements that have no metallic properties. |
| halogen | and element in group 17. |
| noble gasses | 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 temperatures, but not at low temperatures. |
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hopkijus7943
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