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Ca^(2+) ion is isoelectoronic with...

`Ca^(2+)` ion is isoelectoronic with

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K^(+),CI^(-),Ca^(2+),S^(2-) ions are isoelectronic. The decreasing order of other size is:

Name the species that will be isoelectronic with the following atoms or ions. (a) Ca^(2+) , (b) Ne , (c ) Cl^(ɵ) ,(d) Rb^(o+)

What do you understand by the isoelectronic species ? Name a species that will be isoelectronic with each of the following atoms or ions. Ca^(2+)

Discuss the role of Ca^(2+) ions in muscle contractions. Draw neat sketches to illustrate your answer.

Statement-1: Ca^(2+) ions do not form any precipitate with ammonia solution. Statement-2: Ca^(2+) ions gives white precipitate of CaSO_(4) with dilute sulphuric acid and the precipitate is insoluble in hot concentrated sulphuric acid.

The concentration of Ca^(2+) ion in a sample of water is 0.0002 M then what would be the concentration of Ca^(2+) in ppm by weight-volume? ( Atomic wt. of Ca= 40 gm // mole )

CBSE COMPLEMENTARY MATERIAL-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -3 - MARKS QUESTIONS
  1. Account fot the following: Halogens have very high negative electron...

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  2. Account fot the following: The electron gain enthalpy of Cl (Z = 17 ...

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  3. The ionisation energy of nitrogen is more than that of oxygen because

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  4. What are the d- block elements? Write any four properties of d - block...

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  5. State Modern periodic law.

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  6. Explain the following: Electro-negativity

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  7. Explain the following: Shielding effect

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  8. Among the second period elements the actual ionisation enthalpies are ...

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  9. Among the second period elements the actual ionisation enthalpies are ...

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  10. What do you understand by the isoelectronic species ? Name a species t...

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  11. What do you understand by the isoelectronic species ? Name a species t...

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  12. What do you understand by the isoelectronic species ? Name a species t...

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  13. What do you understand by the isoelectronic species ? Name a species t...

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  14. Show by chemical with water that Na(2) O is a basic oxide and CI(2)O(2...

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  15. Name a species that will be isoelectronic with each of the following a...

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  16. Ca^(2+) ion is isoelectoronic with

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  17. The first ionisation enthalpy of group 13 elements are : Explain ...

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  18. The first (IE1) and the second (IE2) ionisation enthalpies (kJ mol^(...

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  19. The first (IE1) and the second (IE2) ionisation enthalpies (kJ mol^(...

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  20. The first (IE1) and the second (IE2) ionisation enthalpies (kJ mol^(...

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