Define the following
a) Election affinity, b) Free radical
Answers
Answer:
The electron affinity is the potential energy change of the atom when an electron is added to a neutral gaseous atom to form a negative ion. ... Not all elements form stable negative ions in which case the electron affinity is zero or even positive.
In chemistry, a radical is an atom, molecule, or ion that has an unpaired valence electron. With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most organic radicals have short lifetimes.
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Answer:
Election affinity -Electron affinity is the energy change that results from adding an electron to a gaseous atom. For example, when a fluorine atom in the gaseous state gains an electron to form F⁻(g), the associated energy change is -328 kJ/mol.
Free radical-A type of unstable molecule that is made during normal cell metabolism (chemical changes that take place in a cell). Free radicals can build up in cells and cause damage to other molecules, such as DNA, lipids, and proteins.
Explanation: