The electron affinity values of elements $A, B, C$ and $D$ are respectively $-135, -60, -200$ and $-348 \ kJ \ mol^{-1}$. The outer electronic configuration of element $B$ is
- A$3s^2 3p^5$
- B$3s^2 3p^4$
- C$3s^2 3p^3$
- D$3s^2 3p^2$
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Similar Questions
Which of the following represents the correct order of increasing electron gain enthalpy (with negative sign) for the elements?
$a.$ Nitrogen
$b.$ Phosphorus
$c.$ Chlorine
$d.$ Fluorine
$a.$ Nitrogen
$b.$ Phosphorus
$c.$ Chlorine
$d.$ Fluorine
In comparison with alkali metals,the electron affinity of halogens is
Easy
View SolutionWhich of the following will have the most negative electron gain enthalpy and which the least negative?
$P, S, Cl, F$
Explain your answer.
$P, S, Cl, F$
Explain your answer.
Medium
View SolutionWhat is the value of electron gain enthalpy of $Na^{+}$ if $IE_{1}$ of $Na$ is $5.1 \ eV$? .......... $eV$
Explain the trends in electron gain enthalpy across periods and down groups.
Difficult
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