Which Element Has 3 Electron Shells And 7 Electrons In Its Outermost Shell?
Which Element Has 3 Electron Shells And 7 Electrons In Its Outermost Shell? Chlorine has seven valence electrons. Chlorine has atomic number 17. The atomic number is the number of protons present in the nucleus of an atom. All the atoms of an element have same atomic number. Which element has 7 valence electrons and