Question

list a group of elements that follows dodereiners triad.

Answer 1

⇒ Calcium, Strontium, and Barium
⇒ chlorine, bromine, iodine
These are the groups of elements which follow dobereiner triads.

Answer 2

Answer:

-› Lithium, Sodium, Potassium

-› Calcium, Strontium, Barium

-›Chlorine, Bromine, Iodine