Nonmetal {Ans: Elements with physical properties that are dull (no shine), brittle (breaks into pieces), and poor conductivity.}Brittle {Ans: Easily broken into pieces; not flexible}Metal {Ans: Elements with physical properties that include shiny, malleable, good conductivity.}Conductivity {Ans: The ability to transfer heat and electricity}Metalloid {Ans: Elements that are shiny or dull}Luster {Ans: The way a mineral reflects light from its surface}Malleability {Ans: the ability to be bent and shaped without breaking}