Question

identify doberenier's traids from the following Be[9.0], Mg[24.3], Ca[40.1]

Answer 1

Answer:

Dobereiner's triad are:- Be(9.0), Mg(24.3), Ca(40.1) as:- The avg. mass of Be and Ca=(9+24.3)/2=24.3 which is the mass of Mg. Therefore, these elements have similar chemical properties.