ch.6 vocabulary Flashcards
period
horizontal row of elements in the periodic table whose properties change gradually and predictably
group
family of elements with similar physical or chemical properties that occupies the same column in the periodic table
metal
element that is good conductor of electricity and heat, is usually a solid at room temperature and usually is shiny, ductile, and malleable
nonmetal
element that is a poor conductor of heat and electricity and may be a gas or a brittle solid at room temperature
metalloid
element that shares some properties with metals and some with nonmetals
alloy
mixture made of two or more elements, one of which is metal
semiconductor
element that doesn’t conduct electricity as well as a metal but does conduct electricity better than a nonmetal