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Effective nuclear charge=total nuclear c...

Effective nuclear charge=total nuclear charge-_____.

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Screening constant.
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The effective nuclear charge of N atom is :

What is the effective nuclear charge at the periphery of nitrogen atom when a extra electron is added during the formation of an anion. Compare the value of Z_eff when the atom is ionized to N^+ .

Effective nuclear charge (Z*) can be calculated by using the formula

What is the relationship between effective nuclear charge and screening constant?

Screening effect is the effect produced by intervening electrons between nucleus and valence electrons . They shield the nucleus from valence electron and effective nuclear charge decreases if there is less shielding effect the effective nuclear charge decreases Valence electrons are attracted by nucleus and repelled by other electrons. Net effective force on electrons under consideration = Z-sigma = (Nuclear charge -screening effect ) slaters formula for screening constant. If one electron is present in outermost orbit there will be no screening in that orbital. Each electrons contributes 0.35 (total electrons minus 1) present in outermost shell. In penultimate energy level electrons contribute 0.85. A contribution of 1 is from remaining electrons (present in last but one energy level) The effective nuclear charge for 4s electrons of Zn will be

The unpaired electrons in Al and Si are present in 3p orbital. Which electrons will experience more effective nuclear charge from the nucleus?

Calculate the effective nuclear charge experienced by the 4s electron in potassium atom.

What is nuclear force ?

Nuclear energy is-

CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-FILL IN THE BLANKS
  1. The element with electronic configuration 1s^(2)2s^(2)2p^(4) is presen...

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  2. The general electronic configuration of transition elements is

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  3. Effective nuclear charge=total nuclear charge-.

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  4. The IUPAC name of the element having atomic number 150 is.

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  5. for homonuclear diatomic molecule, covalent radius=xxinternuclear dist...

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  6. Inter nuclear distance of HCl molecule is 1.36Å and covlaent radius of...

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  7. Covalent radius of an element isthan its van der waals radius.

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  8. Anionic radius isthan the original atomic radius.

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  9. On moving from left to right across a period, the acidic property of o...

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  10. Hydrides of most of the non-metals arein nature.

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  11. The first ionisation potential of carbon is but the second ionisation ...

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  12. Among the halogens. is most reducing in nature.

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  13. Electron affinity of Be and are almost same.

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  14. In a particular energy level, (orbit), the follows the order s gt p gt...

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  15. In case of elements belonging to the same group, ionic radiiwith incre...

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  16. F^(-),Ne,Mg^(2+),Na^(+) are ions.

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  17. Ionisation enthalpy of Cu and K can be explained on the basis of .

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  18. of the atom of any element and the first ionisation enthaly of its ani...

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  19. Atomic mass=Atomic volumexx.

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  20. Low solubility of Li(2)CO(3) and MgCO(3) in water can be exaplained by

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