The Elements...
Elements:
S block: Hydrogen= is a single family atom, stands alone Alkali Metals Alkaline Earth Metals= several are important mineral nutrients P block: Boron family Carbon family Nitrogen family Oxygen family Halogens Noble Gases D block: Transition Metals F block: Lanthanides Actinides |
Characteristics, common use:
Diatomic, reactive gas; water Soft enough to cut like butter, always combined with another element in nature; salt Combined with nonmetals in nature; Magnesium and Calcium Three electrons in outer shell, highly metallic; Aluminum Basis for entire branch of Chemistry, important to life; computers Makes up over 3/4 of the atmosphere, important in living things; red stuff at the end of a match Occur elementally in nature, all nonmetals; sulfur in garlic, air Very reactive, volatile, diatomic, nonmetals, are always combined with other elements in nature; disinfectants, to strengthen teeth Very nonreactive, do not bond with others; neon lights Metals used as "metals", less reactive, harder metals; jewelery, construction Relatively soft, very reactive, high melting points; red colors on the television screen, to color ceramics and glass, high intensity lighting Are radioactive, combine directly with most nonmetals, highly electropositive; cancer therapy, implants in the human body |