Q29Multiple choice
Can the following groups of elements be classified as Dobereiner's triad ?
- (a)Na, Si, Cl
- (b)Be, Mg, Ca Atomic mass of Be 9; Na 23; Mg 24; Si 28; Cl 35; Ca 40 Explain by giving reason. ′ ’s Periodic Table the elements were arranged in the
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(a) Na, Si, Cl
(b) Be, Mg, Ca Atomic mass of Be 9; Na 23; Mg 24; Si 28; Cl 35; Ca 40 Explain by giving reason. ′ ’s Periodic Table the elements were arranged in the