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Chapter 3 Vocab
Lessons 1 2 3
Question | Answer |
---|---|
Periodic Table | a chart of the elements |
Group | a column on the periodic table |
Periods | the rows on the periodic table |
Metal | an element that is easily pulled into wires |
Luster | describes the ability of a metal to reflect light |
Ductility | the ability to be pulled into thin wires |
Malleability | the ability of a substance to be hammered or rolled into sheets |
Alkali metals | elements in the first group |
Alkaline earth metals | elements in the second group |
Transition elements | elements in groups 3-12 |
Nonmetal | elements that have no metallic properties |
Halogen | an element in group 17 |
Noble gas | elements in group 18 are known as a |
Metalloid | an element that has physical and chemical properties |
Semiconductor | conducts electricity at high temps but not at low temps |