element symbols answers
s layout can aid in memorizing and understanding element symbols. Groupings and Their Symbols Alkali metals: Li, Na, K, Rb, Cs, Fr Alkaline earth metals: Be, Mg, Ca, Sr, Ba, Ra Halogens: F, Cl, Br, I, At Noble gases: He, Ne, Ar, Kr, Xe, Rn Periodic Trends and Symbol Patterns