ELEMENTS Tara Midgett GROUP 1 ALKALI METALS v

ELEMENTS Tara Midgett

GROUP 1 ALKALI METALS v Metals v Electrons in outer layer: 1 v Very reactive v Soft, color of silver, shiny, low density v Li ( Lithium), Na ( Sodium), K ( Potassium), Rb (Rubidium), Cs ( cesium), Fr (Francium)

GROUP 2 ALKALINE- EARTH METALS v Metals v Electrons in outer layer : 2 v Very reactive but less reactive then alkali metals v Color of silver, higher densities then alkali metals v Be ( Beryllium), Mg ( Magnesium), Ca ( Calcium), Sr (Strontium), Ba ( Barium), Ra ( Radium)

GROUP 3 -12 TRANSITION METALS v Metals v Electrons on outer layer: 1 or 2 v Less reactive the alkaline- earth metals v Shiny, good conductor, Higher density

GROUP 13 BORON GROUP v One metalloid and five metals v Electrons in outer layer: 3 v Reactive v Solid at room temperature v B (Boron), Al ( Aluminum), Ga ( Gallium), In (Indium), Ti ( Thallium), Unt ( Ununtrium)

GROUP 14 CARBON GROUP v One nonmetal, two metalloids, and three metals v Electrons in outer layer: 4 v Varies in reactivity among the elements v Solid at room temperature v C ( Carbon) , Si ( Silicon), Ge ( Geranium), Sn ( Tin), Pb (lead), Unq ( Ununquadium)

GROUP 15 NITROGEN GROUP v Two nonmetals, two metalloids and two metals v Electrons in outer layer: 5 v Varies in reactivity among the elements v Solid at room temperature ( except nitrogen) v N ( Nitrogen), P ( Phosphorus) , As ( Arsenic), Sb ( antimony), Bi ( Bismuth), Uup (Ununpentium)

GROUP 16 OXYGEN GROUP v Three nonmetals, one metalloid and one metal v Electrons in outer layer: 6 v Reactive v Solid at room temperature except Oxygen v O ( Oxygen), S ( Sulfur), Se ( Selenium), Te ( Tellurium) , Po ( Polonium)

GROUP 17 HALOGENS v Nonmetals v Electrons in outer layer: 7 v Very reactive v Poor conductors, violent reactions with Alkali metals v F ( Fluorine), Cl ( Chlorine), Br ( B Bromine), I ( Iodine), At ( Astatine)

GROUP 18 NOBLE GASES v Nonmetals v Electrons in outer layer: 8 except helium, which has 2 v Unreactive v Colorless, odorless, gases at room temperature. v He ( helium), Ne (neon), Ar(Argon), Kr(Krypton), Xe(Xenon), Rn(radon)

HYDROGEN v Electrons in outer layer: 1 v Reactive v Colorless, Odorless, Low density v H(hydrogen)