In various curriculum, first 20 elements of the periodic table are included in the syllabus and students are supposed to remember their details Below are the first 20 elements along with their symbol, atomic number, and the origin word from which their symbol was derived: Element Symbol Atomic Number Origin Word Hydrogen H 1 Greek "hydro" (meaning "water") Helium He 2 Greek "helios" (meaning "sun") Lithium Li 3 Greek "lithos" (meaning "stone") Beryllium Be 4 Named after the mineral beryl Boron B 5 Arabic "buraq" or Persian "burah" (both meaning "borax") Carbon C 6 Latin "carbo" (meaning "coal") Nitrogen N 7 Greek "nitron" (meaning "native soda") Oxygen O 8 Greek "oxy" (meaning "acid") and "genes" (meaning "forming") Fluorine F 9 Latin "fluere" (meaning "to flow") Neon Ne 10 Greek "neos" (m...