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Name the elements which possess most neg...

Name the elements which possess most negative values of electron gain enthalpy in their periods.

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To answer the question regarding the elements that possess the most negative values of electron gain enthalpy in their periods, we can follow these steps: ### Step 1: Understand Electron Gain Enthalpy - **Definition**: Electron gain enthalpy is the amount of energy released when an electron is added to a neutral atom. A more negative value indicates that more energy is released, meaning the atom has a stronger tendency to gain an electron. ### Step 2: Identify the Group with Most Negative Electron Gain Enthalpy - **Halogens**: The elements that exhibit the most negative values of electron gain enthalpy are the halogens. This group includes fluorine (F), chlorine (Cl), bromine (Br), and iodine (I). ...
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