Nápady Atom Of Boron Model . Elements from period one and two of the periodic table, namely, hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen. For example, a bohr diagram of the element boron shows five protons and five electrons. Apr 09, 2018 · used to predict draw the bohr model for boron.an atom is the smallest constituent unit of ordinary matter that has the properties of a chemical schematron.org solid, liquid, gas, and plasma is composed of neutral or ionized atoms. 5), the most common isotope of the element boron.