Question

The law of triads is applicable to –

• A. Lithium, beryllium, boron
• B. Fluorine, chlorine, bromine
• C. Chlorine, bromine, iodine
• D. Sodium, potassium, rubidium

Answer 1

Answer: (C)

Chlorine, bromine, iodine

Answer 2

Cl, Br, I