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VK GLOBAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -NCERT EXERCISES
- Which of the following statements is not a correct statement about the...
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- Element X forms a chloride with the formula XCl(2), which is a solid w...
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- Which element has two shells, both of which are completely filled with...
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- Which element has the electronic configuration 2, 8, 2?
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- Which element has a total of three shells, with four electrons in its ...
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- Which element has a total of two shells, with three electrons in its v...
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- Which element has twice as many electrons in its second shell as in i...
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- (a) What property do all elements in the same column of the Periodic T...
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- An atom has electronic configuration 2, 8, 7. (a) What is the atomic n...
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- The position of three elements A, B and C in the Periodic Table are sh...
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- Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to...
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- How does the electronic configuration of an atom relate to its positio...
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- In the Modern Periodic Table, calcium (atomic number 20) is surrounded...
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- Compare and contrast the arrangement of elements in Mendeléev’s Period...
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