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 ...

Aluminum is a metal in group IIIA of the periodic table with atomic number 13 ... The electronic configuration of Aluminum is (Ne)(3s) 2 (3p) 1, and it has an atomic radius of 0.143 nm. At room ...

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 ...

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 ...