Nielsbohrium, more formally known as Bohrium, with the symbol Bh and atomic number 107, is a synthetic element that exists at the very edge of the periodic table, where the familiar landscape of atomic structure begins to shift under the weight of extreme forces. Named in honour of the Danish physicist Niels Bohr, whose work … Read more
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