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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
- Number of vertical columns in the modern periodic table are (As per IU...
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- Mendeleev's eka-aluminium is
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- Cl belongs to family.
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- Number of elements present in Period 1 are …………..
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- Choose the correct answer for the following matching.
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- Match the following:
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- Which is not true about noble gases ?
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- The electronic configuration of the first artifical element………
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- What type of oxide would Eka-aluminium form ?
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- Which of the following statements is not correct ?
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- Point out the correct statement
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- Which is not the characteristic of a period ?
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- Which defect of Mandeleeff's periodic table is automatically overcome ...
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- Which of the following indicates the correct order of variation in ato...
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- Choose the correct answer for the following matching :
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- Elements belonging to the same period have
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- The scientist who made maximum contribution towards periodic table was
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- Which of the following sets of atomic numbers corresponds to the atomi...
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- Atomic numbers of last elements of 'd' block and p block of incomplete...
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- The outermost shell of a representative element contains x electrons a...
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