In the solid state it forms a tretragonal crystal with a melting point of -101 C and a boiling point of -34.7 C. The electronic configuration of Chlorine is (Ne)(3s 2)(3p 5). Its (-1) ionic radius is ...

They have a radius of around 1 × 10 10 metres ... as the number of electrons and protons are equal in a neutral atom, chlorine also has 17 electrons. The relative mass of a nucleus is the ...