classification of elements on the periodic table Flashcards
where are metals located on the periodic table?
mostly on the left side
where are nonmetals located on the periodic table?
mostly on the right side
where are metalloids located on the periodic table?
along the stair step line that distinguishes metals from nonmetals
what are the 5 properties of metals?
- solid (except mercury)
- shiny
- good conductor
- malleable
- ductile
what are the 5 properties of nonmetals?
- gas/ liquid/ solid
- not shiny
- poor conductor
- brittle (not malleable)
- not ductile
what are the properties of metalloids?
share properties of both metals and nonmetals
what is a period?
a horizontal row of elements
what is a group?
a vertical column of elements
what is a group also known as?
a chemical family
what is the special name for group 1?
alkali metals
what are alkali metals reactivity levels?
highly reactive
what is the special name for group 2?
alkaline earth metals
what are alkaline earth metals reactivity levels?
reactive
what is the special name for group 17?
halogens
what are halogens reactivity levels?
highly reactive