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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Select the smaller ion form the following pair: N3–, F– - Chemistry

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प्रश्न

Answer the following question.

Select the smaller ion form the following pair:

N3–, F

एका वाक्यात उत्तर

उत्तर

F has a smaller ionic radius than N3–.

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Periodic Trends in Elemental Properties
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पाठ 7: Modern Periodic Table - Exercises [पृष्ठ १०९]

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बालभारती Chemistry [English] 11 Standard
पाठ 7 Modern Periodic Table
Exercises | Q 5. (C)(b) | पृष्ठ १०९

संबंधित प्रश्‍न

Explain the following.

The atomic radii of Cl, I, and Br are 99, 133, and 114 pm, respectively.


Explain the following.

13Al is a metal, 14Si is a metalloid and 15P is a nonmetal.


Explain the following.

Cu forms coloured salts while Zn forms colourless salts.


Answer the following.

Ionization enthalpy of Li is 520 kJ mol-1 while that of F is 1681 kJ mol-1. Explain.


Answer the following.

Explain the screening effect with a suitable example.


Answer the following.

Why the second ionization enthalpy is greater than the first ionization enthalpy?


Answer the following.

Why the elements belonging to the same group do have similar chemical properties?


Answer the following.

Explain electronegativity and electron gain enthalpy. Which of the two can be measured experimentally?


Choose the correct option.

Consider the elements B, Al, Mg, and K predict the correct order of metallic character:


Choose the correct option.

The lanthanides are placed in the periodic table at


Choose the correct option.

If the valence shell electronic configuration is ns2np5, the element will belong to


Choose the correct option.

Which of the following pairs is isoelectronic?


Answer the following question.

For the following pair, indicate which of the two species is of large size:

Fe2+ or Fe3+


Answer the following question.

For the following pair, indicate which of the two species is of large size:

Mg2+ or Ca2+


Answer the following question.

Select the smaller ion form the following pair:

K+, Li+


Define ionic radius


Define electronegativity


Name the factors on which ionization enthalpy depends?


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Give reason.

Inert gases have exceptionally high ionization enthalpies.


Give reason.

Fluorine has less electron affinity than chlorine.


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