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In the Modern Periodic Table, calcium (a...

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?

Text Solution

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The element with atomic number 12 has same chemical properties as that of calcium.
This is because both of them have same number of valence electrons (2).
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In the modern periodic table calcium (atomic number 20) is surrounded by elements with atomic numbers 12,19,21 and 38. Which of these physical and chemical properties resembling calcium?

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OSWAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -NCERT CORNER (EXERCISE QUESTIONS)
  1. Which of the following statements is not a correct statement about the...

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  2. Element X forms a chloride with the formula XCl(2), which is a solid w...

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  3. Which element has two shells, both of which are completely filled wi...

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  4. Which element has the electronic configuration 2, 8, 2

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  5. a total of three shells, with two electrons in its valence shell?

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  6. Which element has a total of two shells, with three electrons in its...

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  7. twice as many electrons in its second shell as in its first shell?

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  8. What property do all elements in the same column of the periodic table...

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  9. What property do all the elements in the same group of the periodic ta...

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  10. An atom has electronic configuration 2, 8, 7. What is the atomic num...

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  11. An atom has electronic configuration 2, 8, 7. To which of the follow...

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  12. The positions of three elements A, B and C in the periodic table are s...

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  13. The positions of three elements A, B and C in the periodic table are s...

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  14. The position of three elements A, B and C in the Periodic table are sh...

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  15. The position of three elements A, B and C in the Periodic table are sh...

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  16. Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to...

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  17. How does the electronic configuration of an atom relate to its positio...

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  18. In the Modern Periodic Table, calcium (atomic number 20) is surrounded...

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  19. Compare and contrast the arrangement of elements in Mendeléev’s Period...

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