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Anything that influences the valence ele...

Anything that influences the valence electrons will affect the chemistry of the element. Which one of the following factors does not affect the valence shell ?

A

Valence principal quantum number (n)

B

Nuclear charge (Z )

C

Nuclear mass

D

Number of core electrons.

Text Solution

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Nuclear mass does not affect the valence electrons
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NCERT-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-EXERCISE
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  4. Describe the theory associated with the radius of an atom as it a. g...

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  5. Would you expect the first ionisation enthalpies for two isotopes of t...

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  6. What are the major differences between metals and non-metals?

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  7. Use the periodic table to answer the following questions. a. Identif...

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  8. The increasing order of reactivity among group 1 elements is LiltNaltK...

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  9. Write the general outer electronic configuration of s-,p-,d- and f-blo...

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  11. The first (Delta(i)H(1)) and second (Delta(i)H(2)) ionisation enthalpi...

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  12. Predict the formula of the stable binary compounds that would be forme...

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  13. In the modern periodic table, the period indicates the value of (a) a...

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  14. Which of the following statements related to the modern periodic table...

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  15. Anything that influences the valence electrons will affect the chemist...

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  16. The size of isoelectronic species F^(ɵ), Ne, and Na^(o+) is affected b...

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  17. Which one of the following statements is incorrect in relation to ioni...

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  18. Considering the elements B, Al, Mg and K, the correct order of their m...

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  19. Considering the elements B, C, N, F and Si, the correct order of their...

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  20. Considering the elements F,Cl,O and N, the correct order of their chem...

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