The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

Across a period from left to right, the covalent radius decreases. As you move from left to right across the periodic table, atoms have more electrons in their outer energy level and more protons ...

These are two chemical elements that are very difficult to synthesize and are at the heavier end of the periodic table of elements. Using lasers beams to measure the nuclear radius of isotopes at ...

Rubidium is an alkali metal in group IA of the periodic table with atomic number 37 ... The electronic configuration of Rubidium is (Kr)(5s 1). Its atomic radius is 0.248 nm and the (+1) ionic radius ...

Zirconium is a metal in group IVB of the periodic table with atomic number 40 ... The electronic configuration of Zirconium is (Ar)(4d 2)(5s 2). Its atomic radius is 0.160nm and the (+4) ionic radius ...

Elements at the end of the periodic table do not occur naturally and must ... Using laser spectroscopy, the team were able to measure the nuclear radius of several isotopes of nobelium and fermium.