Ch. 10 Key Terms Flashcards
What is the definition of metalloid
An element that has physical and chemical properties of both metals and nonmetals
What is the definition of noble gases
An element in group 18 of the periodic table
What is the definition of nonmetal
Ian element that has no metalloid properties
What is the definition of semiconductor
An element that conducts electricity at high temperatures but not at low temperatures
What is the definition of alkali metals
An element on the periodic table
What is the definition of alkaline earth metal
An element in group 2 on the periodic table
What is the definition of ductibility
The ability of a substance to be pulled into thin wires
What is the definition of luster
The ability of a metal to reflect light
What is the definition of malleability
The ability of a substance to be hammered or rolled into sheets
What is the definition of metal
An element that is generally shiny is easily pulled into wires or hammered into sheets and it’s a good conductor of electricity and thermal energy
What is the definition of transition element
An element in groups 3-12 on the periodic table
What is the definition of group
A column on the periodic table
What is the definition of period
A row on the periodic table
What is the definition of periodic table
A chart of the elements arranged into rows and columns according to their physical and chemical reactions
What is the definition of halogen
An element in group 17 of the periodic table
