Tungsten (W) has 6 electron shells, as it is located in period 6 of the periodic table. Any element in the same period (period 6) will have the same number of electron shells. Examples of elements in period 6 include:
- Lead (Pb)
- Bismuth (Bi)
- Polonium (Po)
- Astatine (At)
- Radon (Rn)
Each of these elements also has 6 electron shells, just like tungsten.