State Mendeleev.s periodic law....

State Mendeleev.s periodic law.

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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-SHORT ANSWER TYPE QUESTIONS

State Mendeleev.s periodic law.
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State modern periodic law of classification of elements.
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Mention the group, period and block to which each of the following ele...
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Mention the group, period and block to which each of the following ele...
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Mention the group, period and block to which each of the following ele...
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An element possesses electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)...
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Writer four characteristic properties of p-block elements.
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What are transition elements ? Mention their characteristic properties...
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Explain the term periodicity in properties of elements
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Explain why : Crystal radius is larger than covalent radius.
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Give reason Atomic size decreases across a period but increases down...
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Arrange with explanation the following ions in the increasing order of...
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Arrange the following ions in the decreasing order of their sizes and ...
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Define ionisation energy . What is its value for a hydrogen atom ?
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Why is anion larger than its parent atom ?
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Define valency. How does it change across a period and on going down a...
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Why is the second ionisation energy of an element much greater than it...
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Explain what do you understand by screening effect. How does this effe...
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Arrange with explanation the following elements in the increasing orde...
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Why do the alkali metals possess minimum and the noble gases maximum i...
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