1.

4.) Name the elements of groups 2 and 17.

Answer»

Thealkaline earth metalsare theseriesof elementsinGroup 2of theperiodic table. The series consists of theelementsberyllium(Be),magnesium(Mg),calcium(Ca),strontium(Sr),barium(Ba) andradium(Ra) (though radium is not always considered an alkaline on earth due to itsradioactivity).

Thehalogensare theelementsin Group 17 (formerly Group VII or VIIa) of theperiodic table. They arefluorine(F),chlorine(Cl),bromine(Br),iodine(I),astatine(At) and the as yet undiscovered ununseptium (Uus).



Discussion

No Comment Found