Select the more electronegative element in each pair.

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Select the more electronegative element in each pair. a.Cl or Fb. Se or Oc. N or Asd. Na or Mg

Lamar Hirthe · Accepted Answer

The answer to your question is belowExplanation:Electronegativity is a measure of how strongly atoms attract electrons to themselves.Process Look for the electronegativity of each element and compare.a) Cl = 3.16   F = 3.98          Fluorine has a higher electronegativityb) Se = 2.55 O = 3.44         Oxygen has a higher electronegativityc) N = 3.04 As = 2.18         Nitrogen has a higher electronegativityd) Na = 0.93 Mg = 1.31       Magnesium has a higher electronegativity

Lamar Hirthe · Answer

a. Fb. Oc. Nd. CaExplanation:Electronegativity is the tendency of an atom in a bond pair to attract the shared pair of electron towards itself.Low ionization energies as well as low electron affinities mean the atom has low effective nuclear charge, which results in the less attraction of the valence electrons by the atom and thus, low electronegativity.Across the period, there is an increase in effective nuclear charge and thus there is more force of attraction between the nucleus and the valence electrons when moving left to right in a period.  Thus, electronegativity increases across the period.Down the group, there is an increase in number of shells and thus the distance between the nucleus and the valence electron increases.  Thus, electronegativity decreases down the group.(a) Out of F and Br, they are the members of the same group and electronegativity decreases down the group. Thus, F is more electronegative element.(b) Out of O and S, they are the members of the same group and electronegativity decreases down the group. Thus, O is more electronegative element.(c) Out of N and P, they are the members of the same group and electronegativity decreases down the group. Thus, N is more electronegative element.(d) Out of K and Ca, they are the members of the same period and electronegativity increases across the period. Thus, Ca is more electronegative element.

Lamar Hirthe · Answer

More electronegative element in each pairO & F    ⇒ Fluorine is more electronegative.O & Br  ⇒ Oxygen is more electronegative.O & S   ⇒ Oxygen is more electronegativeO & N  ⇒  Oxygen is more electronegativeO & P   ⇒ Oxygen is more electronegativeO & K  ⇒  Oxygen is more electronegativeO & Ca ⇒ Oxygen is more electronegativeExplanation:Electronegativity is the measure pf tendency to attract bond pair electrons towards itself in a covalent bond.More electronegative element attract bond pair electron from less electronegative element.Electronegativity increases along the peroid when we move from left to right in perodic table and decreses down the group or top to bottom in periodic table. So Oxygen, Fluorine, Chlorine and Nitrogen are the most electronegative among the all elements in periodic table.

Prof. Carmelo Hilpert

Select the more electronegative element in each pair.

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