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Identify dobereiner's traids from the fo...

Identify dobereiner's traids from the following group of elements having similar chemical properties : `Mg(24.3),Ca(40.1),Sr(87.6)

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Dobereiner's triads are S (32.1), Se(79.0), Te(127.6) and Be(9.0), Mg(24.3), Ca(40.1).
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Answer the following questions: Identify Dobereiner's triads from the following groups of elements having similar chemical properties: Mg(24.3),Ca(40.1),Sr(87.6) S(32.1),Se(79.0),Te(127.6) Be(9.0), Mg(24.3), Ca(40.1).

Identify dobereiner's traids from the following group of elements having similar chemical properties : Be(9.0),Mg(24.3),Ca(40.1)

Identify dobereiner's traids from the following group of elements having similar chemical properties : S(32.1),Se(79.0),T(127.6)

Why the elements belonging to the same group do have similar chemical properties?

State whether the following statements are True or False: Dobereiner named the group of elements having similar properties as Triads.

Why do elements in the same group have similar physical and chemical properties?

State whether the following statements are True or False: Newlands was the first to classify elements having similar chemical properties into groups of three.

The following group of elements have similar chemical properties.Identifiy with reason wheter it is a Dobereiner's traid N(14.00),P(30.9),As(74.9).

In the modern periodic table, the elements are arranged in the increasing order of their atomic number. This arrangement is based on the modern periodic law, which states that the properties of elements are a periodic function of their atomic numbers. In the modern periodic table, each column is called a group and each row is called a period. Elements within the same group show similarity and gradation in properties. This is due to the same number of electroms in the outermost shell . Based on the above paragraph, answer the following question: Which pair of elements do you think will have similar properties? a. Sodium and Argon b. Sodium and Potassium c. Potassium and Neon

The atomic masses of three elements A, B and C having similar chemical properties are 7, 23 and 39 respectively. a. Calculate the average atomic mass of element B according to Dobereiner's triads. b. Compare the average atomic mass of B with its atomic mass. c. What could the elements A, B and C be?

TARGET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -Apply your knowledge
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  4. Identify dobereiner's traids from the following group of elements havi...

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  17. Which similarity do you find in their configuration?

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