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प्रश्न
Did Dobereiners triads also exist in the columns of Newland's Octaves? Compare and find out.
उत्तर
Yes, Döbereiner's triads also exist in the columns of Newland's octaves. For example, the second column of Newlands classification has the elements Lithium (Li), Sodium (Na) and Potassium (K), which constitute a Döbereiner's triad.
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संबंधित प्रश्न
Did Dobereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.
The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively.
(a) Calculate the average atomic mass of elements X and Z.
(b) How does the average atomic mass of elements X and Z compare with the atomic mass of element Y?
(c) Which law of classification of elements is illustrated by this example?
(d) What could the elements X, Y and Z be?
(e) Give another example of a set of elements which can be classified according to this law.
Why was Dobereiner's triad discarded?
With an example, explain Dobereiner's Triads.
Can the following groups of elements be classified as Dobereiner's triad:
Be, Mg, Ca
Atomic mass of Be - 9, Mg - 24, Ca - 40.
Justify your answer.
State Dobereiner’s Law of Triads with suitable examples.
Dobereiner laid down the _______ rule.
In Dobreiner's triads, three elements appear to be arranged in ascending order of their atomic number.
State Dobereiner’s Law of Triads.
If Dobereiner is related with ‘law of triads’, then Newlands is related with ______.
