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TEKS 6.6C Vocabulary
Elements: Metals, Non-metals, and Metalloids
| Question | Answer |
|---|---|
| brittle | easily cracked or broken |
| conductive | able to transfer heat or electricity easily |
| conductor | an object or material that is able to transfer heat or electricity easily |
| ductile | capable of being shaped into a thin wire |
| element | a substance made of only one type of atom |
| insulator | an object or material that is not able to transfer heat or electricity |
| luster | the ability of a surface to reflect light |
| lustrous | reflective; shiny |
| malleable | able to be bent, molded into another shape, or pounded into a thin sheet without breaking |
| metalloids | elements that have properties of both metals and non metals |
| metals | substances or element that are mostly solids, lustrous, good conductors, malleable, and ductile |
| nonmetals | substances or elements that are brittle, dull, and poor conductors |
| periodic table | a chart that organizes the chemical elements by their similar properties |
| rare earth elements | a group of metal elements with similar properties that includes scandium, yttrium, and the lanthanides |
| semiconductor | a substance whose electrical conductivity is between that of a conductor and in insulator |