nonmetal
chemical elements which tend to localize their valence electrons rather than forming a metallic material
hydrogen
chemical element with symbol H and atomic number 1
metalloid
chemical element with properties of both metals and nonmetals
bromine
chemical element with symbol Br and atomic number 35
helium
chemical element with symbol He and atomic number 2; rare gas
oxygen
chemical element with symbol O and atomic number 8
sulfur
chemical element with symbol S and atomic number 16
iodine
chemical element with symbol I and atomic number 53
carbon
chemical element with symbol C and atomic number 6; common element of all known life
nitrogen
chemical element, symbol N and atomic number 7; most abundant element in Earth atmosphere
phosphorus
chemical element with symbol P and atomic number 15
fluorine
chemical element with symbol F and atomic number 9