The screening effect of d-electrons is...

The screening effect of d-electrons is

Equal to the p-electrons

Much more than p-electrons

Same as f-electrons

Less than p-electrons

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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

What is screening effect? What is the order of screening effect of the subshells?

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In which of the following elements number of d - electrons is zero in 6d - orbital -

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In a metallic conductor, the number of free electrons per unit volume is n and the drift velocity of those electrons is v_d . Then

Name the noble gas and give its atomic number if the number of d-electrons present in this atom is equal to the difference in the no. of electrons present in the p and s-subshells.

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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK

Ionization potential of Na would be numerically the same as
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The correct order of second I.P.
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