Chlorine is Period 3.
chlorine is in period 3, group 17
YES, very similar properties. Both Fluorine and Chlorine are in Group (or Family) 17. Fluorine is in Period 2 and Chlorine is Period 3
chlorine
Chlorine is in group 17, period 3.
Chlorine is Period 3.
chlorine is in period 3, group 17
third period
Chlorine and Magnesium are placed in same period. They are placed in period-3.
YES, very similar properties. Both Fluorine and Chlorine are in Group (or Family) 17. Fluorine is in Period 2 and Chlorine is Period 3
chlorine
Chlorine is in group 17, period 3.
It is bromine. Edit: NO. It is NOT bromine. The third period halogen is chlorine (Cl). Bromine happens to be in period 4.
This is chlorine.
Magnesium
Magnesium
All halogens are in the group 17 of the periodic table. Periods: fluorine in the period 2, chlorine in the period 3, bromine in the period 4, iodine in the period 5, astatine in the period 6, ununseptium in the period 7.