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" (meaning "new") |
Sodium | Na | 11 | English "soda" or Latin "natrium" (both meaning "sodium carbonate") |
Magnesium | Mg | 12 | Named after the Greek city of Magnesia |
Aluminum | Al | 13 | Named after the mineral alumina |
Silicon | Si | 14 | Latin "silex" (meaning "flint") |
Phosphorus | P | 15 | Greek "phosphoros" (meaning "light-bringer") |
Sulfur | S | 16 | Latin "sulfur" (meaning "brimstone") |
Chlorine | Cl | 17 | Greek "chloros" (meaning "greenish-yellow") |
Argon | Ar | 18 | Greek "argos" (meaning "inactive") |
Potassium | K | 19 | English "potash" or Latin "kalium" (both meaning "potassium carbonate") |
Calcium | Ca | 20 | Latin "calx" (meaning "lime") |