Question

Q.1 Identify The Triads From The Following:


a)Mg (24.3),Ca (40.1),Sr (87.6)

b)Be (9.0),Mg (24.3),Ca (40.1)​

Answer 1

for triads atomic masses of middle element =mean of extremes elements

so acc to question answer 2 is possible

it is the dobreiner triad

be+ca/2=mg

9+40.1/2=24.3

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