Which property is the basis of long form of periodic table? fro

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 Multiple Choice QuestionsShort Answer Type

1. Which important property did Mendeleev use to classify the elements in his periodic table?
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2. What are typical elements?
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3.

Give the ‘liquid elements’ in the periodic table.

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4.

What is valency of an element?

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5.

Gallium was named by Mendeleev as

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6.

What are magic numbers?

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7.

Which property is the basis of long form of periodic table?


The long form of periodic table is based upon the property that ‘Physical and chemical properties of the elements are a periodic function of their atomic number.’
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8.

How many elements are placed in each period of the p-block?

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9.

What is the number of groups in: (i) p-block  (ii) d-block?

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10.

How many elements are present in:
(i) second period    
(ii) fourth period    
(iii) sixth period?

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