Question

plzz give me a simple and proper definition of triad in chemistry.....
plzz plzz plzz answer it fast....

Answer 1

Traid in chemistry is in several sets of three chemically similar elements.first atomic weight

Answer 2

In a traid elements show similar chemical properties and there was a regular trend in their physical properties. When these elements arranged in increasing order of atomic weight The atomic weight if second element is average of other two elements
e. g. (Ca, Sr, Ba)
(Cl, Br, I)
(Li, Na, K)