Question

Give one dobereiners traid

Answer 1

Answer: Lithium, Sodium, Pottasium

Explanation:

Answer 2

Answer: See which One is Easy to you:

Ex: (i) Lithium (Li), Sodium (Na), Potassium (K)

     (ii) Chlorine (Cl), Strontium (St), Barium (Ba)

     (iii) Calcium (Ca), Bromine (Br), Iodine (I)

Explanation:

Grouped elements with similar properties in Triads so that the Atomic Mass of the middle element is the “AVERAGE OF THE OTHER TWO ELEMENTS”.