What is the 20 element on the periodic table?
What is the 20 element on the periodic table? Calcium The Elements, sorted by Atomic NumberAtomic NumberSymbolName17ClChlorine18ArArgon19KPotassium20CaCalcium What are the uses of first 20 elements? ELEMENTUSES20)PotassiumFound in fertilizers21)SiliconUsed in electronics & in compounds for making glass22)SilverUsed in tableware, jewelry, photography, medicines, & coins23)SodiumSoft metal that combines with chlorine to make table salt What are the 20 element and their uses? What is the periodic table of elements quizlet? a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns. What...