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OSWAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -SELF - ASSESSMENT - 2 ( OBJECTIVE TYPE QUESTIONS)
- The positions of four elements A, B, C and Din the modern periodic tab...
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- Elements P, Q R and S have atomic numbers 11, 15, 17 and 18 respective...
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- Arrange the given elements in increasing order of their atomic radii? ...
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- From the following part of the periodic table, answer the following qu...
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- From the following part of the periodic table, answer the following qu...
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- From the following part of the periodic table, answer the following qu...
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- From the following part of the periodic table, answer the following qu...
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- Directions : In the following questions, a statement of assertion (A) ...
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- Directions : In the following questions, a statement of assertion (A) ...
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- How does valency of an element vary across a period?
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- Name two elements of first period in modern periodic table.
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- The atomic numbers of three elements X, Y and Z are 3, 11 and 17, resp...
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- Two elements X and Y have atomic numbers 12 and 16 respectively. To wh...
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- The electronic configuration of an element 'X' is 2, 8, 6. To which gr...
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- An element ''X'' has mass number 35 and number of neutrons is 18. Iden...
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