Which of the following statement(s) is/are co | vedclass

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(D) $1$. The $2^{nd}$ electron gain enthalpy is always endothermic because of the strong electrostatic repulsion between the incoming electron and the

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All of these

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(D) $1$. The $2^{nd}$ electron gain enthalpy is always endothermic because of the strong electrostatic repulsion between the incoming electron and the already negatively charged anion. $2$. Electronegativity is defined as the tendency of an atom in a chemical compound to attract a shared pair of electrons towards itself,hence it is a property of bonded atoms. $3$. $Al_2O_3$ and $BeO$ are well-known amphoteric oxides as they react with both acids and bases to form salts and water. $4$. Since all statements are correct,the correct option is $D$.

$A. S \rightarrow S^{-}$	$P. \text{Endothermic process}$
$B. N^{-} \rightarrow N$	$Q. \text{Exothermic process}$
$C. O^{-} \rightarrow O^{2-}$	$R. \text{Inert gas configuration in product}$
$D. P \rightarrow P^{-}$	$S. \text{Half filled configuration in product}$

Which of the following statement$(s)$ is/are correct?

Similar Questions

In a period, the first ionisation enthalpy of the element at the extreme left and the negative electron gain enthalpy of the extreme right element, except noble gases, are respectively.

The statement that is true for the long form of the periodic table is

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In which of the following arrangements,the sequence does not strictly follow the property indicated against it?

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