Group of elements – Non-Metal Name Symbol Atomic Number Atomic weigth Hydrogen H 1 1.00794 Boron B 5 10.811 Carbon C 6 12.011 Nitrogen N 7 14.00674 Oxygen O 8 15.9994 Silicon Si 14 28.0855 Phosphorus P 15 30.973762 Sulfur S 16 32.066 Arsenic As 33 74.92159 Selenium Se 34 78.96 Tellurium Te 52 127.6
Group of element – Alkali Earth Metal Name Symbol Atomic Number Atomic weigth Beryllium Be 4 9.012182 Magnesium Mg 12 24.305 Calcium Ca 20 40.078 Strontium Sr 38 87.62 Barium Ba 56 137.327 Radium Ra 88 -226.0254
Group of element – Alkali Metal Name Symbol Atomic Number Atomic weigth Lithium Li 3 6.941 Sodium Na 11 22.989768 Potassium K 19 39.0983 Rubidium Rb 37 85.4678 Cesium Cs 55 132.90543 Francium Fr 87 -223.0197
Group of element – Halogen Name Symbol Atomic Number Atomic weigth Fluorine F 9 18.9984032 Chlorine Cl 17 35.4527 Bromine Br 35 79.904 Iodine I 53 126.90447 Astatine At 85 -209.9871