metals

METALS AND THE PERIODIC TABLE

• these periodic table groups include-

• alkali metals

• alkaline earth metals

• transition metals ( many groups )

ALKALI METALS

• group 1- lithium, sodium

• shiny

• soft

• extremely reactive

• 1 valence electron

ALKALINE EARTH METALS

• groups 2- magnesium and calcium

• very shiny silvery

• harder more dense

• less reactive

• 2 valence electrons